These are the impressive Škocjan Caves in Slovenia , where the Reka River disappears deep underground. People have lived in the caves since prehistoric times, and the internal atmosphere even has its own eco-system.
No time for a full meal prep? These no-cook snack boxes are easy to put together and are filling enough to pass for a regular meal, or you can snack on them throughout the day. Each has protein or hea(Clean Eating Low Carb Breakfast)