animal animals appearance color colored colors colour coloured colours creature creatures decoration decorative design display displayed exterior external features hippo hippopotamus ornamental ornamentation outside perspectives rain raining replica sculpted sculpture shaped shapes Singapore statuary statue surface surfaces texture textures weather wet zoo zoological boar pig wild-boar crocodile reptile abstract background blended bright coloration colorful colourful columns dark depth details geometrical green interconnected interlinked linear lined lines patterned patterns pink shape textured thick wallpaper weave woven life-like life-sized bark cracked cracks fissures hard palm protective rough tree