Hunger Stones

Droughts in Central Europe are nothing new and stones have been used for centuries as hydrological landmarks. A recent lengthy drought in Europe has exposed these carved boulders, known as "hunger stones". They are visible in the Elbe River, which flows through the Czech Republic and Germany. One of the stones is inscribed: "Wenn du mich siehst, dann weine": "If you see me, weep."

More: NPR