events

The Cave of Swallows, the largest known cave shaft in the world, is discovered in Aquismón, San Luis Potosí, Mexico.

Historical image related to The Cave of Swallows, the largest known cave shaft in the world, is discovered in Aquismón, San Luis Potosí, Mexico. from December 27, 1966

Cave of Swallows

Pit cave in Aquismón, San Luis Potosí, Mexico

The Cave of Swallows, also called the Cave of the Swallows, is an open-air pit cave in the municipality of Aquismón, San Luis Potosí, Mexico. The elliptical mouth, on a slope of karst, is 49 by 62 m wide and is undercut around all of its perimeter, widening to a room…
Source: Wikipedia (CC BY-SA)

Aquismón

Municipality and town in San Luis Potosí, Mexico

Aquismón is a town and municipality in the Mexican state of San Luis Potosí in central Mexico. In 2010 the municipality had an area of 796 square kilometres (307 sq mi) and a population of 47,423. The town had a population of 2,127.
Source: Wikipedia (CC BY-SA)

San Luis Potosí

State of Mexico

San Luis Potosí, officially the Free and Sovereign State of San Luis Potosí, is one of the 32 states which compose the Federal Entities of Mexico. It is divided in 59 municipalities and is named after its capital city, San Luis Potosí.
Source: Wikipedia (CC BY-SA)