abstract appearance artistic artwork background bits broken chips christian clean-up colored colorful coloring colors coloured colourful colouring colours contrast contrasting cross design Designs expression faith grouting irregular mosaic patterns shape shapes surface surfaces symbol symbolic symbols tiles angles bits-and-pieces bricks builder builders deconstruction demolishing demolition disposable elements exterior external fractured fragments glass leftover light mortar old outside pieces rough rubbish rubble shadows Sizes sunlight texture textures unwanted used waste