Rubble is scattered across a road after an underground gas pipeline and high voltage cable sparked an explosion around 2 pm on Jan 23 in Beihai city, South China's Guangxi Zhuang autonomous region. No injuries were reported. [Photo/Xinhua]

Acrobats of the Chinese Acrobatic Troupe perform in Johannesburg, South Africa, Jan 23, 2013. Twenty-five acrobats of the Chinese Acrobatic Troupe made their debut in Johannesburg on Wednesday night. They are here to attend the celebrations of the 15th anniversary of the establishment of the diplomatic relations between China and South Africa, and also the upcoming Chinese lunar New Year. [Photo/Xinhua]

Swans swim on a lake in the Yellow River wetland in Pinglu county, North China's Shanxi Province, Jan 23, 2013. [Photo/Xinhua]