Architects in Sydney, Australia have found a way to light up a part of the city that was once perpetually dark, hidden from the sun by tall buildings. They've done it by capturing the sunshine, and bouncing it between buildings with an architectural device called a heliostat. Lester Ranby reports.
In movies with explosions, chases and gun battles it isn't surprising that accidents have happened, watch on for 10 Tragic Movie Set Disasters.
Music = Backward Reality by Igor Dvorkin and Ellie Kidd