arch architecture backyard black-and-white buildings courtyard entrance exterior foliage garden gray greenery grey greyscale keyhole-doorway landscaping monochrome moon-gate moongate paved paving peaceful plants quiet retreat-center retreat-centre shrubbery tranquil tranquility trees vegetation walkway walls yard angles appearances city colorful colourful concrete contemporary contrast contrasting covered walkways decorative design distinctive elements external green light linear lines low modern peace perspectives quality shapes shrubs Sizes structures style styles sunlight supports tiled variety views walkways architectural Asia building color colored colors colour coloured colours columns cool cooling flag open ornamental ornamentations palms posts pot-plants shade shadows sheltered Singapore space spacious sunshine window-shutters windows appearance chinese Chinese architecture curved curves dark fancy features height heritage high historic historical history old ornamentation patterns points roof sepia slope solid Somber sombre surfaces tiles trimmed Asian buddhism Buddhist cultural display frontage goddess Guanyin Kannon Kuan Yin Kwan Yin Kwannon pruned pruning Quan Yin religious sky stonework symbols temple texture Vietnamese brickwork broken built Camp camp complex driveway fading grass gravel homemade bricks laundry louvers masonry neglected roofing rooves storage tin roof wash-house worn