waterfront of Övelgönne in hamburg with ‘mask mandate’ sign in german language maskenpflicht on the ground

altona architecture avelgapara boardwalk city coast corona coronavirus covid19 cranes distancing elbe europe face facilities footpath german germany ground hamburg harbour health industrial landmark landscape language lockdown mandate mask maskenpflicht masking morning nne order outdoor pandemic pier port promenade quay quayside requirement restrictions river sightseeing sign social sunny tourism travel urban waterfront wearing Övelgönne