basic brick brown chipped rocks construction flat stones flint fortification foundation granite India kalasa karnataka Khalsa limestone masonry mortar pattern plaster protect rocks rural sandstone stone wall stones structure support texture village wall Western Ghats background gravel path pebble pebbles river rock shingle shore stone appearance barrier coloring colors colouring colours constructed fitted fitting historic large local-stone old patchwork perspectives random randomly-coursed rough rugged secure security shade shadows shaped shapes sharp solid stone-walled stonework strength strong sunlight sunshine surface surfaces textures uneven variations variety cemented concrete patterns perspective picturesque shape significant stucco traditional well-built architecture backgrounds city decay design detail grunge grungy marble urban angles building craftsmanship heritage windows bricks brickwall corner cornerstone cornerstones keystone material sundbricks berlin button cobblestones colour grey lamp lavender light lights lilac purple street