Nanotechnology to be used for preserving Cham towers in Vietnam

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The central province of Quang Nam has gotten approval from the government to apply a surface protection treatment using nanotechnology to preserve the locality's famous Cham towers. 

Speaking to Tuoi Tre (Youth) newspaper on Wednesday, Ho Xuan Tinh, vice director of the Quang Nam Department of Culture, Sports and Tourism, said the new technology would be applied to the bricks of the towers.

He said they had tested it on many brick samples, and gained positive results, before asking for permission from the Ministry of Sports, Culture and Tourism.

The method has already been applied at the UNESCO-recognized Thang Long Imperial Citadel in Hanoi, Tinh was quoted as saying.

Nguyen Cong Huong, director of the management board of the My Son Sanctuary, a UNESCO heritage site that is home to several Cham towers dating back to 4th-14th centuries, said the technology has also been used at many major relic sites in Cambodia, Myanmar, and Italy.

In an interview with Thanh Nien in June, Pham Duy Binh, director of Nano Pham Gia Joint-stock Company, which was assigned to conduct the tests, said that after being treated with nanotechnology, sample bricks were clean of mosses and rusts and their colors were recovered.

While it improved the brick surface's quality, it did not change its characteristics, he said, adding that the bricks would also be protected from harm in the future.

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