The video below really says it all, but here's what Petzl says about the Mexican Roctrip: "The climbing at Petzl RocTrip Mexico is in full swing, with nearly 50 Petzl athletes from around the world and hundreds of climbers from across the Americas arriving at the massive El Chonta cave outside of Taxco, Mexico, a few hours south of Mexico City.

The limestone El Chonta cave is truly enormous. An arduous approach through farmland, over rocky trails and cracked earth pitted by the hooves of cows and donkeys, reveals 300-400 foot [90-120m] walls overhanging more than 45 degrees. The stone itself has the appearance of melting wax, with stalactites and otherworldly formations dangling from the belly of the cave like strange growths.

As the cave is some 350m or more across, I guess it's safe to say there's still room for a couple of more routes...