3. Opened in early 2009, the lookout on the Sears Tower in Chicago, keeps us suspended in the air as if it werea bubble. Nothingdifferent from a balcony on the engineering structure, with the difference that on all sides, a sturdy glass sustains us.
11. The feeling could be defined as ¿flying swim?. It is a way to define the experience of using the pool at the Hotel Elan in Dallas, a structure that stands two meters above the building's facade.
15. The geography is not usually generous in many places, but the inhabitants of Rocamadour if you have rolled. The village seems to hang from a cliff, and the streets almost require expert climbers to traverse.
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18. 5. THE LONGEST PEDESTRIAN SUSPENSION BRIDGE IN THE WORLD
19. The suspension bridge over Lake Triftsee in the Swiss Alps, is a new challenge for hikers near the city of Gadmen.