Aerial drone fly over of fisherman walks in shallow muddy water to fix netting on his arrow headed fishing trap on the Tonle Sap, the largest fresh water lake in South East Asia

tonle sap fisherman equipment pattern freshwater lake fish net culture environment ancient system ecosystem fishery traditional symbol netting fishnet fish trap tropical climate boat lake southeast asian fishing cambodia wetland landscape mekong river natural flood water nature floodplain ecology marine tropical muddy shallow