You are viewing a single comment's thread from:RE: 7 World’s Continents Photo Challenge - South American Saturday week #56 - the absolute winner takes 200 SBD!View the full contextbrsim (62)in #travel • 7 years ago In Colombia, the Nemocon salt mine is less known than the famous Zipaquira salt cathedral. However, you'll have a more intimate visit. The photo shows a natural mirror made of salted water.