Levitating building melts minds in London's Covent Garden

This amazing artwork makes it look as though London’s Covent Garden Market is just floating away. The effect which can be seen from any angle makes the building appear to break away from the columns. The mind-bending installation by British artist Alex Chinneck uses digital carving and a four-tonne counterweight to make the amazing structure.  The huge project used over 100 contributors including structural engineers, carpenters, carvers, set builders, scenery painters, water jet cutters and a robot, as well as 14 tonnes of steel and a tonne of paint.