explaining on Instagram: "Austria’s Kölnbrein Dam is the tallest dam in the country, standing 200 meters high. It is part of a hydroelectric power system that stores over 200 million tons of water in its reservoir. The dam is a curved gravity type, designed to hold back massive pressure using its shape and weight. At its base, an emergency relief valve can release water at a rate of 20,000 liters per second, shooting out at 50 meters per second. This flow is powered entirely by the pressure crea