Various types of Vietnamese costumes, besides the national costume – Ao dai (traditional long dress) are displayed in the U.S. to represent cultural diversity.
Japan's nuclear crisis will boost interest in clean renewables such as solar and wind power but may also sharpen demand for coal, oil and gas, experts said.
The Yen Bai province environmental authority has taken samples of the Red River for testing and advised locals to limit their direct use of the river water.