-sears-tower - Rediff.com

Which is the world's tallest building?

Rediff.com7 Apr 2004

Take the rediff business quiz and see how much you know about some of the tallest buildings of the world

Rediff.com10 Sep 2016

Two skyscrapers were decimated the day 2,996 died, one and a half decades ago. George Joseph profiles the monument that has replaced them.

Rediff.com4 Nov 2014

A look at some daredevil acts in recent years

Rediff.com15 Sep 2015

'Tower running' or racing up the stairs is now a popular new sport, with a rooftop party and a medal at the finish line.