Alam Bridge Rock Carvings Gilgit-Baltistan on March 27, 2022 Alam Bridge Brahmi Buddhist Sangha Chilas Fussman Gilgit-Baltistan Hubach Indus-Gilgit Rivers Inscription Kharoshti Palala Palalo Palolasahi dynasty Palolo petroglyphs Rock Carving Shatial stupas +