aerial view of piece of runway at closed airport flughafen munchen-riem in munich, germany turned into riemer park

flughafen luftaufnahme landebahn deutschland munchenriem airstrip runway truderingriem laufsteg bayern muenchen laufbahn teil ausschnitt erinnerung geschichte park landscape history remains remnant repurposed greenery preserved germany transformation forest former landmark segment ecology heritage partial historical urban munich old redevelopment aerial riem sustainable rewilding nature airport relic monument ecofriendly