Build A Skyscraper That Casts No Shadow? We Can Do That, Architects Say

Tall buildings can be beautiful, but the big gloomy shadows they cast can leave urban centers starved of sunlight. Now a London-based architecture firm says it's hit upon a way around that problem. The firm devised a plan to build paired skyscrapers in such a way that sunlight reflected by one fills in the shadow of the other. Brilliant! Though the shadow of the building that is reflecting sunlight would remain, calculations show that the concept would reduce the total amount of shade produced b...