more: https://www.geologyin.com/2015/09/rainbow-mountains-in-chinas-danxia.html http://anomadicexistence.com/rainbow-mountains-of-china-guide/ ---
in the qur'an, surah fatir, 35:27 "and in the mountains are streaks, of white and red and of different hues; and raven-black." some ulama of tafsir have said that judad, literally streaks, refer to paths. https://www.forbes.com/sites/trevornace/2016/03/02/rainbow-mountains-china-earths-paint-palette https://gizmodo.com/these-rainbow-mountains-are-chinas-secret-geological-w-1486764277
