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].
Cave of the Crystals. Image source. This is the home of the worldâs largest known crystals in Chihuahua, Mexico. It is a horseshoe-shaped cavity in limestone rock which is 10 meters wide and 30 meters long and contains giant selenite crystals even 36 ft long, 4 m in diameter and 55 tons in weight.