OBSERVATIONDECK
Observation deck
An observation deck, observation platform or viewing platform is an elevated sightseeing platform usually situated upon a tall architectural structure such as a skyscraper or observation tower. Fitted with railings or fencing for safety, observation decks are sometimes enclosed from weather, as many skyscraper decks, and may include coin operated telescopes for viewing distant features.The above text is a snippet from Wikipedia: Observation deck
and as such is available under the Creative Commons Attribution/Share-Alike License.