I'd argue the the roof of the world would be the magnetosphere. It shelters us from solar radiation and storms and helps maintain the interior climate. The ceiling would obviously be the biosphere, the height above which life can not be sustained without aid. I'd call Tibet the top closet shelf, you can live there but it wouldn't be enjoyable...
Tibet
tibet easy
Tibet :)
The Himalayan mountains.
The shingles on my roof are beginning to wear out. Do you know where the best place to buy roof shigles is?
The roof of the world - Nepal
The nouns in the noun phrase 'roof of the world' are roofand world.
the rocks on the roof is use to add weigth on the roof specially when heavy wind is on your place
tibet plain is the roof of the world.....
The Hotel on the Roof of the World was created in 2001.
The ISBN of The Hotel on the Roof of the World is 9781840241990.
Tibet is often referred as the roof of the world.