he's landing in graulhet, in the south of the country. tour is intended to promote his project "wings for the planet." >> what a flight! >> the adventurer and engineer quit his job to focus exclusively on his solar-powered glider. his invention draws curious onlookers wherever he goes. and they want to know how it works. >> my glider takes off on its own -- with this propeller. it may seem small, but it's a meter across in diameter. it's powered by batteries, and they're charged by the solar cells on the wings. >> loiselet spent three years working on the glider and put all his savings into the prototype. >> i'm impressed. it's very smooth here. he completely integrated the solar cells into the wings. >> i'm an engineer and a pilot, and i have an idea how much work went into this. i think it's fantastic. it makes you dream. >> dream of climate-friendly flight, without emitting a single gram of co2. >> it's already happening. see? it can fly! . >> he's preparing for the next leg of the tour. the engineer loves nature and technology. he use