Online Extras for April 2013

The Council on Tall Buildings and Urban Habitat’s “Tall Buildings in Numbers” infographic spread

A timelapse video and article of the 30-story Chinese building built in 15 days

More photos on the “Warped Elevator” featured in this month’s Last Glance

Patents

Patent #8373345

Patent #8381880

Patent #8381895

Patent #8387756

Patent #8387757