Pictures: Japan's unusual emergency drill at Tama Zoo

1 February 2013 Last updated at 14:56 GMT

Tama Zoo in the Japanese capital, Tokyo, has an unusual way of testing its emergency procedures - by dressing up a member of staff as an escaped animal.
Annual emergency drill at Tama Zoo in Tokyo on 1/2/13
A zebra is on the loose at Tokyo's Tama Zoo, and 60 staff are primed and ready to try and catch him.
Annual emergency drill at Tama Zoo in Tokyo on 1/2/13
They corner him in one part of the zoo....
Annual emergency drill at Tama Zoo in Tokyo on 1/2/13
...and move in with nets to bring him down. They then tranquilise him and return him safely to his pen.
Annual emergency drill at Tama Zoo in Tokyo on 1/2/13
This an annual drill carried out by the zoo to prepare staff for a worst-case scenario - wild animals on the loose around the zoo following a major earthquake.
Annual emergency drill at Tama Zoo in Tokyo on 1/2/13
But rather than practise their emergency drills with real animals, the zoo dresses up one of its newest employees to play the role of the animal.
Annual emergency drill at Tama Zoo in Tokyo on 1/2/13
Previous "animals" have included a Siberian tiger and an Orangutan. Zoo director Naoki Tabata admits a man in a zebra suit is a lot slower than the real thing, but says the main aim of the event is to increase staff awareness.
Annual emergency drill at Tama Zoo in Tokyo on 1/2/13
Yosuke Tanaka got the part this year. His advice for future role-players? "I'd have to warn them that the inside does indeed become a bit stinky with sweat and so they should think think about how to deal with that," the 31-year-old said.