Kurashiki manhole cover in Kurashiki, Japan

Kurashiki manhole cover in Kurashiki, Japan in March 2015

A manhole cover with a relief of a deer in a shopping arcade in Nara, Japan

A manhole cover with a relief of a deer in a shopping arcade in Nara, Japan in March 2015

A stormwater drain cover in Wellington, New Zealand

A stormwater drain cover in Wellington, New Zealand in January 2017

Manhole in Istanbul, Turkey

Manhole in Istanbul, Turkey in January 2014

A manhole in Takamatsu, Japan. Takamatsu City waterworks and sewerage bureau

A manhole in Takamatsu, Japan in March 2015, Takamatsu City waterworks and sewerage bureau

A painted manhole cover on a street in Nagasaki, Japan

A painted manhole cover on a street in Nagasaki, Japan in March 2015

A metal cover with a star on it in a road in Nagasaki, Japan

A metal cover with a star on it in a road in Nagasaki, Japan in March 2015

Gas cover

Gas cover in a road in Canberra in December 2011

Water cover

A water main cover in the street in Bungendore in April 2011

Blue water

A blue water co ver in a street in Timaru, New Zealand taken in November 2010

Burma telecoms manhole

A broken Telecom manhole on Shwedagon Pagoda Road in Yangon, Burma in August 2010

Manhole cover

Manhole cover in Guangzhou, China, in July 2009