Explained: The Danube River's water is dropping so low that World War II ships are emerging

Water levels on the Danube River have dropped very low due to drought, exposing WWII-era German warship hulks

Scuttled

Deliberately sunk a ship, in this case by German forces to block or slow enemy advance

Black Sea fleet

The group of Nazi Germany's naval ships operating in the Black Sea region during World War II

Hulks

The remaining rusted, wrecked bodies of old ships