View image in fullscreenParts of the Danube River are exposed as water levels plummet in Rasova, RomaniaPhotograph: Vadim Ghirdă/APShareView image in fullscreenHorses standing in a parched paddock at a riding centre in Tourinnes-Saint-Lambert, Walloon Region, BelgiumPhotograph: Olivier Hoslet/EPAShareView image in fullscreenA dried-out sunflower field near Kovilj village in SerbiaPhotograph: Andrej Isaković/AFP/Getty ImagesShareView image in fullscreenScorched earth after wildfires ravaged a forest near Harmancık, south of Bursa, western TurkeyPhotograph: Bradley Secker/The GuardianShareView image in fullscreenA parched section of the River Tiber