tree deep in the muddy may flood

water soil river wetland tree waterway reflection sand shore pond wall sea stream mudflat leaf green marsh winter muddy flood niederfell village lower mosel valley cochem koblenz southern hunsrafrac14 ck side may saar wave reached area 19th still slowly lowering 20th deep disaster catastrophe climate change environment desaster disastrous natural hazard human instigated disasters anthropogenic caused manmade flooded flash accidents power land flowing fast