Maps are controlled by nation-states: who creates them, what they will look like, how they will be read, and how they will be shared. water sleep II Akaike river under Xizang Road (2019) is an essay film which the artist guide us to find the lost river in historical maps. Taipei/Taihoku City Planning Map with Bird’s-eye View (1935) and Taihoku Aerial Map, American Army 14th Air Force (1944) represent the colonial history of Taiwan. The process provides another reading through decolonizing gaze of maps and turns the focus toward evidence of objective portraits of the landscape.