1. How high is the building?
a 175m
b 785 ft
c 225m
d 820 ft
2. how long did they build the building?
a 5 years
b 7 years
c 9 years
d 11 years
3. What is the height of the public space?
4. how many people work in the building ?
a 6 000
b 16 000
c 6 0000
d 76 000
5. What is the speed of the elevator?
a 1 m/s
b 4 m/s
c 8 m/s
d 16 m/s
6. What color is the frame of the north core ?
a Blue
b Yellow
c Purple
d Red bask
7. What is the percentage of prefabricated element?
8. How many energy meters have been placed ?
