This is an ice cave, known as "crystal Cave" on the frozen lagoon of the Svínafellsjökull glacier in Skaftafell, Iceland. This snow, which is up to 1000 years old has metamorphosed into highly pressurized glacier ice that contains almost no air bubbles.
I feel like this is my personality summed up in one picture. Pony tail, sitting in a field, writing in a journal, camping pack, water bottle and travel mugs in the back ground. Such a modestly beautiful shot