A zoo worker dressed as an orang-utan pretends to attack a zoo worker as part of an animal escape drill at a zoo in western Tokyo February 27, 2007. Zoo workers practised surrounding the escapee with nets before pretending to shoot it with a tranquilising dart and returning it to its enclosure.
A zoo worker dressed as an orang-utan pretends to escape from an enclosure as part of an animal escape drill at a zoo in western Tokyo February 27, 2007.
A zoo worker dressed as an orang-utan falls after being 'shot' by another zoo worker with a simulated tranquiliser dart as part of an animal escape drill at a zoo in western Tokyo February 27, 2007.