climate change. reporter: these farm houses have stood for more than a century. now all but destroyed. extreme rainfall is what turned this river into a raging tornl, engulfing the small village. now farm yard backhoes clear away the rubble. the german chancellor lank america they will has been quick to blame the climate crisis for this catastrophe. on sunday she met with survivors, promising to release more financial aid. i have to say it is a surreal situation. it is shocking, she said. i can almost stay german language does not have the words for this kind of devastation. flood warning systems are coming under scrutiny but no one could have predicted the scale and speed of this disaster says the mayor. i think the flood protection systems would not have helped,