flemish landscape with bare alder tree and other plants in a meadow

alder bare belgium big blue cloud clouds cloudy countryside cumulus dutch ecologic ecology europe farm farming farmland farmscape field fields flanders flemish green high hike hiking holland kalevallei lalder landscape landscapein lush meadow meadows meadoz nature nobody oak organic osier osiers oude outdoor pastoral plants pol polarded pollarded pollarding pruned pruning reserve row rural salix sallow sallows sky soft sunny tourism tourist tranquil tree trees willow willows winter