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See the world's first "invisible" skyscraper

The Tower Infinity skyscraper, to be built outside Seoul, South Korea, will be “invisible” at eye level during the day but will glow at night.

World's first invisible skyscaper can disappear before your eyes

The Tower Infinity skyscraper going up outside of Seoul, South Korea,

will be invisible — sort of. The glass-spired skyscraper, which recently

received a construction permit, will incorporate optical technology to

make it appear as if it's not really there during the day. Here's a

preview of the award-winning design.