Pictures of the Week: From a trampoline bridge to living life on the edge

On first glance it looks like this harmless gannet is being stalked by an underwater predator due to the ominous dark shape on the water's surface. But on closer inspection it has nothing to worry about, as the lurking shark-shaped shadow is actually cast by the bird itself. The double-take moment happened due to a split-second trick of the light at Artis Zoo in Amsterdam.

On first glance it looks like this harmless gannet is being stalked by an underwater predator due to the ominous dark shape on the water's surface. But on closer inspection it has nothing to worry about, as the lurking shark-shaped shadow is actually cast by the bird itself. The double-take moment happened due to a split-second trick of the light at Artis Zoo in Amsterdam.