A row of 4,077 firefighters with spraying fire hoses was formed along a 16.4 km (10.1 m) stretch of the Mosel river, Rheinland-Pfalz, Germany, on 15 September 2007 in an event coordinated by the Jugendfeuerwehr Rheinland-Pfalz.

The firemen sprayed the hoses for half an hour from 1:00 to 1:30, using mark ‘c’ hoses.The attempt took place in order to raise funds to build a school in Ruanda.