LONDON - NOV 19: London City Hall, headquarter of London Authority, on November 19, 2010, London, UK. This energy efficient building, designed by Norman Foster, has solar panels installed on the roof
Editorial use only
Editorial credit: Bikeworldtravel / Shutterstock.com

Royalty-free stock photo ID: 93883813

LONDON - NOV 19: London City Hall, headquarter of London Authority, on November 19, 2010, London, UK. This energy efficient building, designed by Norman Foster, has solar panels installed on the roof