Complex sentence: It is also the second tallest freestanding structure of any type in Canada, ranking behind the CN Tower but ahead of First Canadian Place, it is nearly the same height as the Empire State Building and the 27th tallest freestanding structure in the world.
Split into simpler sentences: It is also the second tallest freestanding structure of any type in Canada, ranking behind the CN Tower but ahead of First Canadian Place. Nearly the same height as the Empire State Building, it is the 27th tallest freestanding structure in the world.