Ten lesser known natural wonders
http://www.youtube.com/watch?v=PiWO-...layer_embedded
De top tien:
10. Gates of Hell, Turkmenistan
9. Southwestern Slot Canyons, Verenigde Staten.
8. Tsingy of Bemaraha, Madagascar.
7. Belize Barrier Reef, Belize.
6. Grand Prismatic Spring in Yellowstone, Verenigde Staten.
5. Wulingyuan Scenic Area, China.
4. Namib-woestijn, Namibië.
3. Salar de Uyuni, Bolivia.
2. Richatstructuur, Mauretanië.
1. Socotra, Jemen.
Inspiring! 
DM, 28-06-2012