Photo taken on Sept 4, 2013 shows Dandora trash tornado at Dandora dumpsite, Nairobi, Kenya, Sept 4, 2013. Dandora dumpsite, sandwiched between residential estates in the eastern part of Nairobi, covers an area of 12,000 square meters. According to statistics from the City Council, Nairobi produces an estimated 2,400 tonnes of garbage per day, most of which are transported to Dandora. [Photo/Xinhua]