Can anything be worth money? Many people in Japan have a new hobby: spotting and collecting manhole covers, while towns and cities compete to produce the best designs.
How manhole covers became the latest craze
Covering costs: Tokyo has paid for 487,805 decorated covers for water and sewage works. Glossary
Manhole - An opening on a street to allow workers to access sewers and other important things under the road.
Japan - An island country in East Asia, with a population of nearly 126 million.
Hobby - Something you do in your spare time to have fun.
Kyoto - Kyoto, once the capital of Japan, is a city on the island of Honshu. The Kyoto Protocol was an international treaty which extended the 1992 United Nations Framework Convention on Climate Change that commits state parties to reduce greenhouse gas emissions.
Tokyo - Japan's capital city.
Netherlands - A country in northwestern Europe. Netherland means low-lying country. More than one fourth of the country is below sea level.