Overtourism threatened a sacred Colombian lake. How indigenous guards saved it from damage
In the crater of a semidormant volcano in southwest Colombia is a sacred lake of startling green which used to draw a steady stream of garbage-tossing tourists before indigenous leaders took back control. Ascending the Azufral volcano, which rises to 4,070 metres (13,369ft) in the western Colombian Andes, is not for the faint-hearted. It is … Read more
 "What makes methanol poisoning so lethal? – Firstpost")
