United Arab Emirates: After more than 48'000 km covered using solar energy only, the MS T?ranor PlanetSolar continue her journey around the world. The biggest solar ship ever built just dropped anchor in Doha, capital of Qatar where it will stay tied up to the wharf until mid-January before leaving for Abu-Dhabi as guest of honour to the World Future Energy Summit (WFES) which will take place from January 16 to 19, 2012.