The flag is vinyl, 32 metres high & 64 meters long, here is a time lapse video of the installation
http://www.youtube.com/watch?v=QKRy6-xqJKA 
Not only is it very
but the heavy vinyl stops any construction debris from falling onto the sidewalks/streets below
Hazel
basically what they did is it's divided into 26 columns including the black border, attached at the top to the scaffolding & they tossed it down covering over the sides of the hotel securing it at the bottom. Walking past on the street there are no gaps between the columns, looks like 1 piece
