Ixtlaccihautl is in foreground. Beth sitting on limestone Beth on a pyramid in Coba Looking up through a sink hole in a cave near Akumal.
Tree roots grow through crack in limestone into the cave.
A small sinkhole on the surface above the cave we were just in. Photo taken looking vertically downward. Mayan ruins on the coast near Akumal. The flow of ground water in Yucatan indicating a buried impact crater centered at Chuxulub. These also indicate control from the impact crater.