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].
Chichen Itza is a large Maya city in Mexico. It is a UNESCO World Heritage Site, and has been since 1988. It is located on the Yucatan Peninsula, in the heart of what was once the Classic Maya civilization. The area where Chichen Itza was settled is rather devoid of surface water, with no large rivers.