spring green tree in a muddy flood

water river soil waterway stream pond wetland rapid watercourse reflection tree canal shore asphalt marsh mudflat wildlife fishpond reservoir disaster catastrophe climate change environment desaster disastrous natural hazard human instigated disasters anthropogenic caused manmade flood flooded flash muddy accidents power land flowing fast mosel may 20th 2024 saar wave reaching lower valley sarre moselle torrential rain floods germany france