2015 (sign) vs 2019 entrance to the Mer de Glace (ice caves) 50 feet below our hiker in Chamonix

2015 (sign) vs 2019 entrance to the Mer de Glace (ice caves) 50 feet below our hiker in Chamonix.

2015 (sign) vs 2019 entrance to the Mer de Glace (ice caves) 50 feet below our hiker in Chamonix