Local fishermen fish at Si Phan Don, Champasak Province, Laos. May 5, 2017. The Si Phan Don, meaning the 4,000 islands, is a riverine archipelago in the Mekong River in Champasak Province of southern Laos. Si Phan Don is characterised by numerous islands, half of which are submerged when the Mekong River is in flood. (Xinhua/Liu Ailun)
