ancient mediaeval medieval mortar old opening rock rocks small stone stones wall abstract angles appearance architectural architecture backdrop background cascade cascading color colour decoration decorative drops feature feature-wall gray grey ornamental rectangles rectangular shaped shapes solid spray stone wall stonework surface surfaces textures varied water water-feature water-spray waterfall wet basic brick brown chipped rocks construction flat stones flint fortification foundation granite India kalasa karnataka Khalsa limestone masonry pattern plaster protect rural sandstone structure support texture village Western Ghats barrier cemented coloring colors colouring colours concrete constructed heritage historic local-stone patterns perspective perspectives picturesque random randomly-coursed retaining-wall rough secure security shape significant stone-walled strength strong stucco traditional uneven variations variety well-built sky sundrocks block wall bricks magenta pastel wallpaper block blocks house building irregular