No one will know your on the roof but they'll still think are mostly cause your saying your of the roof

1.Login
2.Go to town
3.Stand under the little brown box outside of the Gift shop
4.Use Internet Explorer to zoom. It should currently be set to 100%
5. Zoom into 700%
6.It should be all white
7.Scroll down just a little bit(you should see the night club roof)
8.Scroll over just a little bit(it should be split between Night Club roof and Plain White
9.Click the nightclub roof and quickly move your mouse to the white side of the split screen
10.Wait about 20 seconds…….
11.Zoom back to 100%
12.Now you’re on the roof of the Night Club!