view of the ciliwung river embankment sluice gate in kampung melayu

embankment river stone horizontal nature water architecture landscape outdoor border environmental flow ecology surface riverbank riverfront panorama sun day bridge sightseeing district downtown waterfront weather flood foliage sunlight oasis riverside waterside city background riverbed serenity landmark built structure ship pier peaceful dock floodgates wet flowing environment equipment reservoir floodgate engineering gate control spillway infrastructure sluice