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See the world's first "invisible" skyscraper

1,476-foot high-concept high-rise will be visible from above, but it will seem to disappear to those walking near it at ground level.

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.