The Guardian travelled 100 miles along the EU’s longest river, where some residents are struggling to secure drinking water For centuries, the rock was seen as a warning. When it began to emerge from the Danube, beneath Gellért Hill in Budapest, it meant the river had fallen so low that floating...
Source: [Guardian World](https://www.theguardian.com/news/ng-interactive/2026/aug/16/danube-drought-destroyed-crops-rock-of-starvation-climate-crisis)