This is part of our special feature on Water in Europe and the World.   In the summer of 2018, a series of “hunger stones” in the Czech Republic’s Elbe River emerged, bearing warnings of the perils of drought and the vital importance of rivers as conduits of not only water but also traded foodstuffs. The stones, some used since at least the fifteenth century, appear up and down the Elbe River, recording dates of … Continue reading Facing Floods in the Middle Ages