Two underwater natural gas pipelines ruptured yesterday, causing a large disturbance on the Baltic Sea near the Danish island of Bornholm. Although both pipelines — the Nord Stream 1 and 2 — were not actively transporting gas, hundreds of millions of tons of methane sitting inside them leaked out, creating the half-mile-wide circle of churning sea seen here. European leaders believe the leaks were caused by intentional underwater explosions, and act of Russian sabotage toward Europe.
