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India Uses AI to Stop Stampedes at World's Biggest Gathering

As many as 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing. Niharika KULKARNI / AFP
As many as 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing. Niharika KULKARNI / AFP
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India Uses AI to Stop Stampedes at World's Biggest Gathering

As many as 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing. Niharika KULKARNI / AFP
As many as 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing. Niharika KULKARNI / AFP

Keen to improve India's abysmal crowd management record at large-scale religious events, organizers of the world's largest human gathering are using artificial intelligence to try to prevent stampedes.
Organizers predict up to 400 million pilgrims will visit the Kumbh Mela, a millennia-old sacred show of Hindu piety and ritual bathing that began Monday and runs for six weeks.
Deadly crowd crushes are a notorious feature of Indian religious festivals, and the Kumbh Mela, with its unfathomable throngs of devotees, has a grim track record of stampedes.
"We want everyone to go back home happily after having fulfilled their spiritual duties," Amit Kumar, a senior police officer heading tech operations in the festival, told AFP.
"AI is helping us avoid reaching that critical mass in sensitive places."
More than 400 people died after being trampled or drowned at the Kumbh Mela on a single day of the festival in 1954, one of the largest tolls in a crowd-related disaster globally.
Another 36 people were crushed to death in 2013, the last time the festival was staged in the northern city of Prayagraj.
But this time, authorities say the technology they have deployed will help them gather accurate estimates of crowd sizes, allowing them to be better prepared for potential trouble.
Police say they have installed around 300 cameras at the festival site and on roads leading to the sprawling encampment, mounted on poles and a fleet of overhead drones.
Not far from the spiritual center of the festival at the confluence of the Ganges and Yamuna rivers, the network is overseen in a glass-panelled command and control room by a small army of police officers and technicians.
"We can look at the entire Kumbh Mela from here," said Kumar. "There are camera angles where we cannot even see complete bodies and we have to count using heads or torsos."
Kumar said the footage fed into an AI algorithm that gives its handlers an overall estimate of a crowd stretching for miles in every direction, cross-checked against data from railways and bus operators.
"We are using AI to track people flow, crowd density at various inlets, adding them up and then interpolating from there," he added.
The system sounds the alarm if sections of the crowd get so concentrated that they pose a safety threat.
'Makes us feel safe'
The Kumbh Mela is rooted in Hindu mythology, a battle between deities and demons for control of a pitcher containing the nectar of immortality.
Organizers say the scale of this year's festival is that of a temporary country -- with numbers expected to total around the combined populations of the United States and Canada.
Some six million devotees took a dip in the river on the first morning of the festival, according to official estimates.
With a congregation that size, Kumar said that some degree of crowd crush is inevitable.
"The personal bubble of an individual is quite big in the West," said Kumar, explaining how the critical threshold at which AI crowd control systems ring the alarm is higher than in other countries using similar crowd management systems.
"The standard there is three people per square foot," he added. "But we can afford to go several times higher than that."
Organizers have been eager to tout the technological advancements of this year's edition of the Kumbh Mela and their attendant benefits for visitors.
Uttar Pradesh chief minister Yogi Adityanath, a devout Hindu monk whose government is responsible for organizing the festival, has described it as an event "at the confluence of faith and modernity".
"The fact that there are cameras and drones makes us feel safe," 28-year-old automotive engineer Harshit Joshi, one of the millions of visitors to arrive for the start of the festival, told AFP.

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Wuhan Keen to Shake off Pandemic Label Five Years On

A man wearing a face mask looks over a barricade set up to keep people out of a residential compound in Wuhan in China's central Hubei province on April 14, 2020. (AFP)
A man wearing a face mask looks over a barricade set up to keep people out of a residential compound in Wuhan in China's central Hubei province on April 14, 2020. (AFP)
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Wuhan Keen to Shake off Pandemic Label Five Years On

A man wearing a face mask looks over a barricade set up to keep people out of a residential compound in Wuhan in China's central Hubei province on April 14, 2020. (AFP)
A man wearing a face mask looks over a barricade set up to keep people out of a residential compound in Wuhan in China's central Hubei province on April 14, 2020. (AFP)

Built in just days as Covid-19 cases spiked in Wuhan in early 2020, the Huoshenshan Hospital was once celebrated as a symbol of the Chinese city's fight against the virus that first emerged there.

The hospital now stands empty, hidden behind more recently built walls -- faded like most traces of the pandemic as locals move on and officials discourage discussion of it.

On January 23, 2020, with the then-unknown virus spreading, Wuhan sealed itself off for 76 days, ushering in China's zero-Covid era of strict travel and health controls and foreshadowing the global disruption yet to come.

Today, the city's bustling shopping districts and gridlocked traffic are a far cry from the empty streets and crammed emergency rooms that marked the world's first Covid lockdown.

"People are moving forward, these memories are getting fuzzier and fuzzier," Jack He, a 20-year-old university student and Wuhan local, told AFP.

He was in high school when the lockdown was imposed, and he spent much of his sophomore year taking online classes from home.

"We still feel like those few years were especially tough... but a new life has started," He said.

- Official silence -

At the former site of the Huanan Seafood Wholesale Market, where scientists believe the virus may have crossed over from animals to humans, a light blue wall has been built to shield the market's closed-down stalls from view.

When AFP visited, workers were putting up Chinese New Year decorations on the windows of the market's second floor, where a warren of opticians' shops still operates.

There is nothing to mark the location's significance -- in fact, there are no major memorials to the lives lost to the virus anywhere in the city.

Official commemorations of Wuhan's lockdown ordeal focus on the heroism of doctors and the efficiency with which the city responded to the outbreak, despite international criticism of the local government's censorship of early cases in December 2019.

The market's old produce stalls have been moved to a new development outside the city center, where it was clear that the city was still on edge about its reputation as the cradle of the pandemic.

Over a dozen vendors at the aptly named New Huanan Seafood Market refused to speak about the market's past.

The owner of one stall told AFP on condition of anonymity that "business here is not what it was before".

Another worker said the market's managers had sent security camera footage of AFP journalists out to a mass WeChat group of stall owners and warned them against speaking to the reporters.

- 'City of heroes'-

One of the few remaining public commemorations of the lockdown is next door to the abandoned Huoshenshan hospital -- an unassuming petrol station that doubles as an "anti-Covid-19 pandemic educational base".

One wall of the station was dedicated to a timeline of the lockdown, complete with photographs of President Xi Jinping visiting Wuhan in March 2020.

An employee told AFP that a small building behind the facility's convenience store housed another exhibit, but it was only open "when leaders come to visit".

But days before the fifth anniversary of the lockdown, those memories seemed far away, the city now a hive of activity.

Locals thronged the Shanhaiguan Road breakfast market, munching on bowls of noodles and deep-fried pastries.

In the upmarket Chuhe Hanjie shopping street, people walked dogs and promenaded in designer outfits while others queued to pick up bubble tea orders.

Chen Ziyi, a 40-year-old Wuhan local, said she believed the city's increased prominence has actually had a positive impact, with more tourists visiting.

"Now everyone pays more attention to Wuhan," she said. "They say Wuhan is the city of heroes."