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Japanese Koi fish released into Hanoi's To Lich river and West Lake to test for clean water
Both Koi fish and carp fish have been released by Japanese experts and Vietnamese scientists into areas of the To Lich river and West Lake that have been treated for pollution as a demonstration of how clean the water is.
Umbrella made of special materials protects against UV rays
VietNamNet Bridge - Le Long Ho, a student at the HCM City University of Natural Sciences, has invented an umbrella which can help protect people’s skin from ultraviolet rays (UV).
