![Workers install solar panels on the roof of the Palexpo Exhibition Center in Geneva October 12, 2011. Once finished, it will be the biggest solar farm in Switzerland with 15,000 photovoltaic panels Workers install solar panels on the roof of the Palexpo Exhibition Center in Geneva October 12, 2011. Once finished, it will be the biggest solar farm in Switzerland with 15,000 photovoltaic panels](https://c8.alamy.com/comp/2CX72K1/workers-install-solar-panels-on-the-roof-of-the-palexpo-exhibition-center-in-geneva-october-12-2011-once-finished-it-will-be-the-biggest-solar-farm-in-switzerland-with-15000-photovoltaic-panels-covering-a-surface-of-48000-square-meters-516000-square-feet-and-producing-for-the-industrial-services-of-geneva-enough-electricity-to-power-1200-households-reutersdenis-balibouse-switzerland-tags-environment-energy-2CX72K1.jpg)
Workers install solar panels on the roof of the Palexpo Exhibition Center in Geneva October 12, 2011. Once finished, it will be the biggest solar farm in Switzerland with 15,000 photovoltaic panels
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![A worker installs solar panels on the roof of the Palexpo Exhibition Center in Geneva October 12, 2011. Once finished, it will be the biggest solar farm in Switzerland with 15,000 photovoltaic A worker installs solar panels on the roof of the Palexpo Exhibition Center in Geneva October 12, 2011. Once finished, it will be the biggest solar farm in Switzerland with 15,000 photovoltaic](https://l450v.alamy.com/450v/2d0gn3m/a-worker-installs-solar-panels-on-the-roof-of-the-palexpo-exhibition-center-in-geneva-october-12-2011-once-finished-it-will-be-the-biggest-solar-farm-in-switzerland-with-15000-photovoltaic-panels-covering-a-surface-of-48000-square-meters-516000-square-feet-and-producing-for-the-industrial-services-of-geneva-enough-electricity-to-power-1200-households-reutersdenis-balibouse-switzerland-tags-environment-energy-2d0gn3m.jpg)
A worker installs solar panels on the roof of the Palexpo Exhibition Center in Geneva October 12, 2011. Once finished, it will be the biggest solar farm in Switzerland with 15,000 photovoltaic
![Solar panels are pictured on the roof of the Palexpo Exhibition Center in Geneva October 11, 2011. Once finished, it will be the biggest solar farm in Switzerland with 15,000 photovoltaic panels Solar panels are pictured on the roof of the Palexpo Exhibition Center in Geneva October 11, 2011. Once finished, it will be the biggest solar farm in Switzerland with 15,000 photovoltaic panels](https://c8.alamy.com/comp/2CYN6YK/solar-panels-are-pictured-on-the-roof-of-the-palexpo-exhibition-center-in-geneva-october-11-2011-once-finished-it-will-be-the-biggest-solar-farm-in-switzerland-with-15000-photovoltaic-panels-covering-a-surface-of-48000-square-meters-516000-square-feet-and-producing-for-the-industrial-services-of-geneva-enough-electricity-to-power-1200-households-picture-taken-with-a-fisheye-lens-reutersdenis-balibouse-switzerland-tags-environment-energy-2CYN6YK.jpg)
Solar panels are pictured on the roof of the Palexpo Exhibition Center in Geneva October 11, 2011. Once finished, it will be the biggest solar farm in Switzerland with 15,000 photovoltaic panels
![Guests enjoy an official reception offered by Switzerland at the United Nations European headquarters in Geneva September 10, 2012. Switzerland presented 10 beehives to the U.N. on the 10th anniversary of its Guests enjoy an official reception offered by Switzerland at the United Nations European headquarters in Geneva September 10, 2012. Switzerland presented 10 beehives to the U.N. on the 10th anniversary of its](https://c8.alamy.com/compfr/2cxcyna/guests-enjoy-an-official-reception-offered-by-switzerland-at-the-united-nations-european-headquarters-in-geneva-september-10-2012-switzerland-presented-10-beehives-to-the-u-n-on-the-10th-anniversary-of-its-joining-the-organization-next-year-700-kg-1540-lbs-of-honey-is-expected-to-be-collected-from-the-68000-square-metres-731946-square-feet-of-ariana-park-to-be-distributed-as-gifts-by-the-u-n-to-their-guests-reuters-denis-balibouse-switzerland-tags-politics-society-2cxcyna.jpg)