Two rainbows appear in the sky at the same time after rain showers in Huangshan city, East China's Anhui province on July 21, 2010. The rainbows lasted for about 50 minutes.
Two rainbows appear in the sky at the same time after rain showers in Huangshan city, East China's Anhui province on July 21, 2010. The rainbows lasted for about 50 minutes.
