It has been five years since Czech climate change researchers highlighted in a report that there are ancient markers to warn when rivers drop dangerously low:

Hydrological droughts may also be commemorated by what are known as “hunger stones”. One of these is to be found at the left bank of the River Elbe (Deˇcˇ´ın-Podmokly), chiselled with the years of hardship and the initials of authors lost to history (Fig. 2). The basic inscriptions warn of the consequences of drought: Wenn du mich siehst, dann weine [“If you see me, weep.”]. It expressed that drought had brought a bad harvest, lack of food, high prices and hunger for poor people. Before 1900, the following droughts are commemorated on the stone: 1417, 1616, 1707, 1746, 1790, 1800, 1811, 1830, 1842, 1868, 1892, and 1893.

Two years after that report the hunger stones were highlighted again by researchers:

The extreme drought period in summer 2015 enabled the levelling of historical watermarks on the „Hunger Stone” (Hungerstein) in the Elbe in Czech town of Děčín. The comparison of the obtained levels of earlier palaeographic records with systematic measurements in the Děčín profile confirmed the hypothesis that the old watermarks represent the minimal water levels.

As the drought and hot temperatures in Europe continued through to today, the AP wire just called out the hunger stones yet again:

Over a dozen of the hunger stones, chosen to record low water levels, can now be seen in and near the northern Czech town of Decin near the German border.

Meanwhile, just across the border, the Germans have put a slightly different perspective on the news:

So far 22 grenades, mines or other explosives have been found in the Elbe this year, Saxony-Anhalt police spokeswoman Grit Merker told DW. “We ascribe that to the low water level. That’s pretty clear,” she said.

July was the hottest month in Germany since temperatures have been recorded, while July 31 was the hottest day, with temperatures reaching 39.5 degrees Celsius (103.1 degrees Fahrenheit) in Bernburg, Saxony-Anhalt.

Earlier this week the water level was down to 51 centimeters (20 inches) in Magdeburg, the capital of Saxony-Anhalt. The historical low point was 48 centimeters in 1934.

“If you see me, weep” has a poetic meaning, almost like writing “cry me a river” on the hunger stones, which tourists come to soak up…if you’ll pardon the pun.

Explosives being revealed is such an opposite story, perhaps the Germans soon will inscribe their stones with typically dark humor: “Achtung! Allen Kindern steht das Wasser bis zum Hals, nur nicht Beate, die fängt die Granate.” (Warning! Water too high for children, except for Wade, who found the Grenade.) It expresses that drought brings war for poor people.