21.   Docent-led tours are available, and the public is able to view the Hooker Telescope from an observation deck.

22.   Giuliani said that Kasparov mentioned the possibility of using the observation deck.

23.   Go outside on an observation deck to watch the nightly fireworks or the water parade.

24.   He bought a ticket to the observation deck and went up.

25.   He had sawed off the barrel and the stock, knowing how narrow was the walkway leading up to the observation deck.

26.   He explained that he was running late for a date to meet his girlfriend on the observation deck of the Empire State Building.

27.   He began as a porter on the observation deck and later worked on the concourse.

28.   He has been to the observation deck, he said, exactly four times.

29.   He had been doing the observation deck and the window-cleaning equipment.

30.   I suspect that in our backward desert burg, even the suggestion of an observation deck for a crime scene would be declared loathsome and appalling.