spring marsh landscape with bare trees and flowering blackthorn bushes under grey clouds sky in the flemish counttryside

alder alnus bare belgium blue bourgoyen bushes change climate clouds cloudy contrast counttryside creek dark ecotourism environment europe flanders flemish flood flooded flowering forest ghent golden green grey hawthorn hike hiking landscape light marsh meadow nature outdoor outdoors rain rainy reed reserve sky spring sunny swamp tourism travel tree trees wetlands wild wilderness winter wood woodland woods yellow