2. Huge rock in Northern Ireland
3. These dunes are painted as a national park in Lassen Volcanic, USA
4. Tianzi Mountain, China
5. Seven rainbow mountain in Gansu, China
6. Desert Namib, Namibia
7. Mine Naica ở Mexico
8. Volcano Dallol, Ethiopia
9. Skaftafell glacier, Iceland
10. Ice caves, Oregon, USA
