abstract background blue curves drawing long effect effects glass green light lightning lights object objects plasma purple space sphere appearance art-glass artistic artistry blended bright circle circular coloration colored colorful colors coloured colourful colours contrast craftsmanship dark decorative distinctive lighting multicolored multicoloured patterned patterns perspectives round rounded shaped shapes stained-glass style surface surfaces surfacing texture textured textures thick thin vibrant wallpaper window color colour liquidy raised surfaced tactile apartment architect architecture business center city construction flat futuristic high living modern Netherlands reflection Rotterdam sky skyscraper above ceiling cross glassy lined lines panel panelled panels skylight ornamental ornate blocks rectangles rectangular wall walled architectural art glass black cave christian christianity design designed Designs faith frame framed Hong Kong looking-out prayer squared squares stained glass symbolic symbols bubbled bubbles bubbly curved curves embedded flowers