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Story summary
- The Ginza rooftop beekeeping project harvested about 2.8 tons of honey in its 20th year.
- Volunteers placed three hives on an 11-story Ginza building roof in March 2006.
- About 50 hives now occupy Ginza and Otemachi rooftops, housing 500,000-600,000 bees.
- Some honey is sold online and supplied to local department stores and restaurants.
- The Ginza model inspired a 2010 rooftop beekeeping project in Sapporo led by NPO head Shuji Sakai.