Rare 'mushroom cloud' appears in SW China

A rare cloud in the shape of a giant mushroom appears over Aba Tibetan Autonomous Prefecture, southwest China's Sichuan Province, on Sept. 25. The local weather bureau said the cloud cluster was formed by severe convection in a relatively short time. [Photo: CGTN’s Sina Weibo account]

A rare cloud in the shape of a giant mushroom appears over Aba Tibetan Autonomous Prefecture, southwest China's Sichuan Province, on Sept. 25. The local weather bureau said the cloud cluster was formed by severe convection in a relatively short time. [Photo: CGTN’s Sina Weibo account]

A rare cloud in the shape of a giant mushroom appears over Aba Tibetan Autonomous Prefecture, southwest China's Sichuan Province, on Sept. 25. The local weather bureau said the cloud cluster was formed by severe convection in a relatively short time. [Photo: CGTN’s Sina Weibo account]

A rare cloud in the shape of a giant mushroom appears over Aba Tibetan Autonomous Prefecture, southwest China's Sichuan Province, on Sept. 25. The local weather bureau said the cloud cluster was formed by severe convection in a relatively short time. [Photo: CGTN’s Sina Weibo account]