Band-e Amir – Central Afghanistan. Is one of the few rare natural lakes in the world which are created by travertine systems, all of which are on UNESCO World… August 19, 2021August 19, 2021 wanderlustsurfers central, Central Asia, lakes, travertine, Unesco Band-e Amir – Central Afghanistan. Is one of the few rare natural lakes in the world which are created by travertine systems, all of which are on UNESCO World…