Traditionally, houses in Ladakh have had a wooden roof, built to withstand heavy snowfall.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/climate-change-stripping-ladakh-its-very-identity
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/greater-kashmir
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ladakh
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/floods