Statistics for World top 30 tallest Freestanding structure.

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Placement	Category	Reigon	Height (in meter)	Answer	% Correct
1	Skyscraper	Dubai	829.8	Burj Khalifa	100%
2	Skyscraper	Kuala Lumpur	678.9	Merdeka 118	100%
4	Skyscraper	Shanghai	632	Shanghai Tower	100%
3	Communications tower	Tokyo	634	Tokyo Skytree	100%
28	Skyscraper	New York	435	111 West 57th Street	0%
6	Skyscraper (clock tower)	Mecca	601	Abraj Al Bait	0%
5	Communications tower	Guangzhou	604	Canton Tower	0%
19	Skyscraper	New York	472	Central Park Tower	0%
14	Skyscraper	Beijing	527.7	China Zun	0%
10	Communications tower	Toronto	553.3	CN Tower	0%
25	Skyscraper	New York	443.2	Empire State Building	0%
8	Skyscraper	Tianjin	596.5	Goldin Finance 117	0%
13	Skyscraper	Guangzhou	530	Guangzhou CTF Finance Centre	0%
27	Skyscraper	Guangzhou	440	Guangzhou International Finance Center	0%
18	Skyscraper	Hong Kong	484	International Commerce Centre	0%
22	Skyscraper	Chicago	457.2	John Hancock Center	0%
26	Skyscraper	Shenzhen	441.8	KK100	0%
21	Skyscraper	Saint-Petersburg	462.5	Lakhta Center	0%
9	Skyscraper	Seoul	555.65	Lotte World Tower	0%
29	Concrete tower	Tehran	435	Milad Tower	0%
30	Skyscraper	New York	427	One Vanderbilt	0%
11	Skyscraper	New York	546.2	One World Trade Center	0%
20	Concrete tower	Shanghai	467.9	Oriental Pearl Tower	0%
12	Communications tower	Moscow	540.1	Ostankino Tower	0%
23	Skyscraper	Kuala Lumpur	451.9	Petronas Towers	0%
7	Skyscraper	Shenzhen	599.1	Ping An International Finance Centre	0%
17	Skyscraper	Shanghai	494	Shanghai World Financial Center	0%
16	Skyscraper	Taipei	509.2	Taipei 101	0%
15	Skyscraper	Chicago	527	Willis Tower	0%
24	Skyscraper	Nanjing	450	Zifeng Tower	0%