Higher & higher: there are dozens of skyscrapers under construction or being planned around the world that are 1,000 feet or taller. Here's how three of those buildings compare with some of the tallest skyscrapers built to date.

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HIGHER & HIGHER There are dozens of skyscrapers under construction or being planned around the world that are 1,000 feet or taller. Here's how three of those buildings compare with some of the tallest skyscrapers built to date. BUILDING EMPIRE WORLD SEARS PETRONAS STATE TRADE TOWER TOWERS BUILDING CENTER ** LOCATION NEW YORK NEW YORK CHICAGO MALAYSIA YEAR BUILT 1931 1972, 1973 1974 1998 HEIGHT * 1,250 FEET 1,368 & 1,451 FEET 1,483 FEET 1,362 FEET BUILDING TAIPEI FREEDOM SONGDO BURJ 101 TOWER INCHEON DUBAI LOCATION TAIWAN...