People in Spider-Man costumes pedal to generate electricity during the Earth Hour campaign in suburban Tokyo

Sunday, 30 March 2014 - 4:53pm IST | Place: | Agency: AFP

People wearing Spider-Man costumes pedal to generate electricity to light LED lights of a mirror ball inside an art installation during the Earth Hour environmental campaign event in suburban Tokyo on March 29, 2014. Lights will go out in some 7,000 cities and towns from New York to New Zealand for Earth Hour which this year aims to raise hundreds of thousands of dollars for green projects.