Day: February 20, 2014

Inside the psychedelic salt mine: Abandoned Russian tunnels where mind-bending patterns naturally cover every surface

MailOnline | February 5, 2014 | By Sara Malm Hundreds of feet below a Russian city is an abandoned salt mine which might as well be the inside of a rave. The walls are covered with psychedelic patterns, caused by the natural layers of mineral carnallite creating swirls throughout the colored rock. Carnallite is used