Effort to Save Egypt's Abu Simbel Temples in 1960s Recalled

In this file photo taken on Feb. 8, 1966, the results of three-years of dismantling the temples of Abu Simbel in Egypt lie in a storage area behind the huge escarpment before being moved and re-assembled on higher ground. The global campaign that saved the ancient Egyptian temples of Abu Simbel from inundation by the Aswan Dam 50 years ago was remembered this week as an unprecedented engineering achievement and a turning point in the perception of cultural treasures as a responsibility of all humanity. (AP Photo)
In this file photo taken on Feb. 8, 1966, the results of three-years of dismantling the temples of Abu Simbel in Egypt lie in a storage area behind the huge escarpment before being moved and re-assembled on higher ground. The global campaign that saved the ancient Egyptian temples of Abu Simbel from inundation by the Aswan Dam 50 years ago was remembered this week as an unprecedented engineering achievement and a turning point in the perception of cultural treasures as a responsibility of all humanity. (AP Photo)
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Effort to Save Egypt's Abu Simbel Temples in 1960s Recalled

In this file photo taken on Feb. 8, 1966, the results of three-years of dismantling the temples of Abu Simbel in Egypt lie in a storage area behind the huge escarpment before being moved and re-assembled on higher ground. The global campaign that saved the ancient Egyptian temples of Abu Simbel from inundation by the Aswan Dam 50 years ago was remembered this week as an unprecedented engineering achievement and a turning point in the perception of cultural treasures as a responsibility of all humanity. (AP Photo)
In this file photo taken on Feb. 8, 1966, the results of three-years of dismantling the temples of Abu Simbel in Egypt lie in a storage area behind the huge escarpment before being moved and re-assembled on higher ground. The global campaign that saved the ancient Egyptian temples of Abu Simbel from inundation by the Aswan Dam 50 years ago was remembered this week as an unprecedented engineering achievement and a turning point in the perception of cultural treasures as a responsibility of all humanity. (AP Photo)

Egyptologists and other experts gathered in Italy this week to celebrate a successful campaign to save ancient Egyptian temples from being submerged by a dam project 50 years ago and heard of cultural sites facing similar threats now.

The international campaign that saved the temples of Abu Simbel during construction of Aswan High Dam was remembered in Turin as an unprecedented engineering achievement and a turning point that made the preservation of cultural treasures a responsibility that cut across borders.

But experts at the Monday event said that with major dam projects underway in Sudan and Ethiopia, the job of protecting Nubian culture is not finished.

The director of Turin's Egyptian Museum, Christian Greco, noted that the focus in a modernizing Egypt half a century ago was on saving major monuments, largely due to time pressure.

Recording and salvaging settlements and domestic artifacts received less emphasis, and many were lost underwater when the dam across the Nile River and its lake reservoir went in, he said.

"Unfortunately, we know that the traces, above all of pre-history before mummies, were lost under the waters of Nasser Lake," Greco said. "It also needs to be a lesson for the future because there are still great challenges."

In 1960, UNESCO issued an international appeal to save the temples of Amu Simbel, an ancient gateway to pharaonic Egypt, dedicated to Ramses II and his wife Nefertiti.

More than 113 countries responded with funds or expertise. Expert marble cutters from Carrara engaged by the Italian construction firm Impregilo, today Salini Impregilo, led cutting of the imposing sandstone temples into 1,070 blocks. The blocks were subsequently moved to higher ground, and the temples reconstructed and positioned as ancient architects intended: allowing the sun to shine on the end wall two days each year.

Ana Luiza Thompson-Flores, director of UNESCO's office in Venice, said it was debated at the time whether the $36 million earmarked for the temples' preservation would have been better spent on initiatives such as ending poverty.

But Thompson-Flores said the global response ultimately "was the birth of the recognition that there were aspects of this world, whether monuments or landscapes, that actually have a recognized outstanding universal value for humanity."



Farmed Production of Some Fish - and Seaweed - is Soaring

Farmed salmon -- like the ones grown in pens here in the Australian island state of Tasmania -- are easier to grow than some other fish species. Gregory PLESSE / AFP/File
Farmed salmon -- like the ones grown in pens here in the Australian island state of Tasmania -- are easier to grow than some other fish species. Gregory PLESSE / AFP/File
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Farmed Production of Some Fish - and Seaweed - is Soaring

Farmed salmon -- like the ones grown in pens here in the Australian island state of Tasmania -- are easier to grow than some other fish species. Gregory PLESSE / AFP/File
Farmed salmon -- like the ones grown in pens here in the Australian island state of Tasmania -- are easier to grow than some other fish species. Gregory PLESSE / AFP/File

The amount of farmed seafood we consume -- as opposed to that taken wild from our waters -- is soaring every year, making aquaculture an ever-more important source for many diets, and a response to overfishing.

According to the UN's Food and Agriculture Organization, nearly 99 million tons of aquatic animals (fish, molluscs like oysters and mussels and crustaceans like prawns) were farmed around the world in 2023, five times more than three decades ago.

Since 2022, the farming of aquatic animals has been steadily overtaking fishing around the world -- but with large disparities from species to species.

Fast-growing species

The two biggest sellers on the market in 2023, carp and tilapia, mainly came from freshwater farming, while other widely-consumed fish, like herring, came just from deep sea fishing

Thierry Laugier, a researcher at Ifremer, France's national institute for ocean science and technology, told AFP that fish farmers choose species that grow quickly and with simple requirements, to be able to control the life cycle.

Sales of the most widely farmed fish in Europe, Atlantic salmon, came to 1.9 million tons in 2023, 99 percent of which were farmed.

"We know how to control the ageing or how to launch a reproduction cycle, through injecting hormones," Laugier said.

Asia main producer
Asia is by far the biggest producer of farmed fish, accounting for 92 percent of the 136 million tons -- of both animal and plant species -- produced under manmade conditions in 2023.

"For carp, it comes down to tradition, it has been farmed for thousands of years on the Asian continent," the Ifremer researcher said.

At the other end of the spectrum, sardines and herring are just fished in the oceans, mainly for profitability reasons as some fish grow very slowly.

"It takes around two years to get an adult-sized sardine," Laugier said.

He said farming of some fish has not yet been started as, "for a long time, we thought the ocean was an inexhaustible resource".

Seaweed

Little known in the West, seaweed nevertheless accounts for almost a third of world aquaculture production.

Almost exclusively from Asia, seaweed production increased by nearly 200 percent in two decades, to 38 million tons. It is mainly used in industry, in jellies, pharmaceuticals and cosmetics, the expert said.

He said seaweed also has the major advantage of absorbing not just CO2 in the oceans, but also nitrogen and certain pollutants.

"And from an ecological point of view it is better to farm macroalgae than salmon," Laugier said.