Stock Photo - 08 April 2021, Bolivia, Oruro: People collect garbage next to acid mine water that runs from the mines into Lake Uru Uru, according to the Center for the Environment and Andean Peoples (CEPA). Among other things, cadmium, arsenic oxide and lead have been detected at the lake ""far above the limit"". The local government and civic organizations have regularly called for cleanup efforts at the lake for years, ""but the acidic mine water is not being treated sufficiently,"" CEPA said. The concern is heightened by the fact that the lake has currently shrunk from 200 to an area of 30 square kilometres due to the drought, Limbert Sanchez of the NGO laments. In addition, 15 hectares of the lake are polluted with an estimated 30,000 tons of waste. Photo: Radoslaw Czajkowski/dpa. - Oruro/Bolivia