sixpenceee: Karymsky Lake is a crater lake located in the Karymsky volcano in Russia. With a radius
sixpenceee: Karymsky Lake is a crater lake located in the Karymsky volcano in Russia. With a radius of 5 km it was once one of the world’s largest fresh water lakes, but as a result of a recent eruption toxic gases turned this into one of the largest acid water lakes. -- source link