Cave swallows

     The cave called Stano Golondrinas any basement or hideaway, located in Mexico and elliptical entrance diameter 49 metres wide at the top and remain uneasy whenever interference down, becoming an area at the bottom (440 x 305 m). There are many narrow passages on the bottom and many waterfalls, and some amateur sports freefall disembark directly into the cave in which areas make sure that its end would be water to waterfalls and not the ground state where

It is said that waterways inside formed in the era of limestone and exotic birds Grotto usually when where they gather up her mouth for 20 to 30 minutes at sunset down into the cave to escape from other birds of prey which tries to nil. It was her first exploration on 27 June 1966 by weborland Charles Evans and Randy Stearns. The temperature inside the cave is very low. There is also an inside plants and insects and snakes, and green algae on both sides of the Cascades.