Well, if you have read the first of today's post and are feeling a little disheartened.
Get a lode of this, something out of this world and yet, a part of our beautiful world.
Amazing. Take a couple minutes and watch the video
Mexico's Cave of Crystals stunned geologists when it was first discovered in 2000. The underground chamber contains some of the largest natural crystals ever found - some of the selenite structures have grown to more than 10m long.
Giant crystals dwarf researchers in the Crystal Cave. Photo via veoverde