Adrian Davies / Sign warning against that the picking of mushrooms or toadstools is forbidden, Richmond Park, London, UK

Kirkendall-Spring / Doorway in the Forbidden City of Beijing, China

Gavin Maxwell / Hwamei {Garrulax canorus} in birdcages, Beijing Forbidden City, November 06. 'Wild China' series

Gavin Maxwell / Laughing thrush / Hwamei {Garrulax canorus} in birdcages, Beijing Forbidden City, November 06, 'Wild China' series

Gavin Maxwell / Laughing thrush / Hwamei {Garrulax canorus} in birdcage. Beijing Forbidden City, China Nov 06. 'Wild China' series

Gavin Maxwell / Laughing thrush / Hwamei {Garrulax canorus} in birdcages, Beijing Forbidden City, November 06. 'Wild China' series

Pete Oxford / Chinese mythical animal, Forbidden City (National Palace Museum), Beijing, China 2006

Eric Baccega / Tiananmen Square, Beijing, China 2000

Eric Baccega / Tiananmen Square, Beijing, China 2000

Pete Oxford / Photo of Chairman Mao, Zedong Meridian gate, Forbidden City, Beijing, China

Chris Packham / Forbidden fruit - Grass snake coiled over apple.