the 20th century grachthuis of the roosendael abbay in walem, mechelen

20th abbay abbey antwerp architecture beautiful belgian belgium blue building canal catholic catholicism center century christianity cistercian country culture daytime destination duckweed europe european flanders garden grachthuis greenhouse house landscape mechelen monastery monument nature nobody nuns or outdoor outdoors park recreation religion river roosendael sightseeing sintkatelijnewaver sky stream summer tourism travel walem