A trio of researchers has been investigating Indigenous rock art in the Serranía de la Lindosa (La Lindosa for short)—a 12-mile-long sandstone outcrop located in Colombia's Guaviare department.

The area of Serranía de la Lindosa, a 12-mile-long sandstone outcrop in Colombia, contains thousands of rock art motifs that record the history and beliefs of the Amazon's Indigenous peoples.

Charlie Lake Cave is located near the city of Fort St. John in northeastern British Columbia . The site is situated on an outcrop of sandstone above a small creek which drains to the nearby Peace ...