brown cake clay cool Drywall dust dusty earth eco Eco-friendly hand made handmade India Ladakh lump mortar mud block Mud Wall primitive sand sun-dried texture village brick brick wall brickwork building construction masonry Mud orange plaster reddish wall work blend gradient gritty mix purple red rough stucco transition violet apart broken course decay falling grey rot rotten background block boundary design earthy loose muddy pattern pebbles perimeter rocks rural shade shale stone wall stones ancient art balcony buddhism Buddhist cultural culture details Gompa hand-made Incredible India insulate Ladakhi House monastery reed roof tibetan weather proof white window windows wood