PEEPER on Instagram: "Millions of crabs take over an entire island every year, and one man engineered a way to drive through them without harming a single one. Every October and November, Christmas Island in the Indian Ocean experiences one of the most spectacular animal migrations on Earth. More than 50 million red crabs leave the jungle and march to the coast to breed, covering forests, roads, and entire neighborhoods. During peak migration, many roads are closed completely because the ground

PEEPER on Instagram: "Avalanche control is a critical safety practice in mountain regions, where heavy snowfall can make slopes unstable without warning. By triggering small, controlled slides before conditions worsen, operators reduce the risk of large, destructive avalanches that might otherwise release naturally during storms or sudden temperature changes. One of the most effective methods uses artillery to deliver explosive force precisely onto known avalanche paths. This allows teams to rel

PEEPER on Instagram: "This bridge in China is designed to let cars drive directly over water using a low-profile structure built just above the river’s surface. These are often called low-water or submersible bridges, and they’re common in areas where building tall spans would be costly or unnecessary. The bridge relies on strong foundations and a flat deck to handle vehicle weight while allowing water to flow beneath it. In normal conditions, traffic can pass safely, even though the river is cl