The Blue Ombre was a head item in Club Penguin. It costed 200 coins in the Penguin Style catalog, and only members could've bought it. Similar items were The Lavender Ombre and The Rose Ombre. OmbrÃ© refers to a gradual blending of one color to another, similar to gradience.
Lechuguilla Cave is located in Carlsbad Caverns National Park, New Mexico. It formed between four and seven million years ago through hypogenic speleogenesis [1].
A natural collapse just inside the entrance pit had blocked Lechuguilla for thousands of years, until cavers dug through it on Memorial Day 1986. The miles of passage beyond had revealed no trace of humanity or, for that matter, bats or other traditional cave life.