Weekend microadventure  to the crystal waters of... Austria?!?! We spent two days diving Grüner See (Green Lake) in the Styria. This lake is formed in the summer months when the snow melts from the mountains and collectes there. There is enough water (up to 10m) around May-June when it becomes a bizarre attraction for keen divers. Unfortunately, diving here has been prohibited since Januray 2016.