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Poor weather has forced André Borschberg to land in Nagoya, 36 hours into the 7th and most gruelling leg of the R-T-W flight from Nanjing to Hawaii.

While the Solar Impulse prepares for the 8,175-kilometer journey across the Pacific, we look back at the first six legs of its round-the-world adventure.

Solar Impulse bids a fond farewell to India

Three ABB engineers on loan to Solar Impulse are part of a new generation of young, passionate experts helping to run the world without consuming the earth.