Question: What privately financed project was led my Andre Borscheberg, Bertrand Piccard, and Brian Jones?

Context paragraphs:
Breitling Orbiter: Breitling Orbiter was the name of three different Rozière balloons made by the company Cameron Balloons to circumnavigate the globe, named after the sponsor company Breitling.  The first two balloons never completed the circumnavigation, while the third was successful during March 1999 thereby making the first nonstop flight around the world by balloon (piloted by Bertrand Piccard and Brian Jones).

Bachir Attar: Bachir Attar (born 1964 in Jajouka, Morocco) is the leader of The Master Musicians of Jajouka led by Bachir Attar.  He is the son of Hadj Abdesalam Attar, who led the group Master Musicians of Jajouka at the time of their album, "Brian Jones Presents The Pipes of Pan at Jajouka", produced by Brian Jones in 1968.

Great Lakes Basin Railroad: The Great Lakes Basin Railroad is a proposed railroad in Wisconsin, Illinois, and Indiana.  The intended route bypasses Chicago to avoid its rail congestion, running from Janesville, Wisconsin, to Michigan City, Indiana.  The project's estimated cost is $8 billion, privately financed.

Houay Ho Dam: The Houay Ho is a dam located in the Samakkhixay District of Attapeu Province, Laos, 160 km east of Pakse and 30 km northwest of Attapeu.  The project is considered the first privately financed joint venture 'build-operate-transfer' (BOT) hydropower project in Laos.  It has installed capacity of 152.1 MW , almost all of which is exported to Thailand.

Chao Chow and Swatow Railway: The ChaoChow–Swatow Railway or "Chao-Shan" railway was a privately financed and constructed standard gauge railway which ran between Chaochow (pinyin: Cháozhōu, 潮州) and Swatow (pinyin: Shàntóu, traditional Chinese: 汕頭, simplified Chinese: 汕头) in Guangdong Province between 1906 and 1939. It's also the first line entirely financed and managed by Chinese merchants.

Bertrand Piccard: Bertrand Piccard (born 1 March 1958) is a Swiss psychiatrist and balloonist.  Along with Brian Jones, he was the first to complete a non-stop balloon flight around the globe, in a balloon named Breitling Orbiter 3.  He was the initiator, chairman, and co-pilot, with André Borschberg, of Solar Impulse, the first successful round-the-world solar powered flight.

Joujouka Black Eyes: Joujouka Black Eyes is a CD by Moroccan Sufi trance musicians Master Musicians of Joujouka.  It was released in May 1995 on Sub Rosa Records.  It was produced by Frank Rynne and includes the song "Brian Jones Joujouka very Stoned" written by Joujouka born painter Mohamed Hamri.  This song commemorates the third visit of Rolling Stones founder Brian Jones to Jajouka.  On this visit Jones recorded "Brian Jones Presents the Pipes of Pan at Joujouka".  The group on this CD includes veteran Joujouka musician Mujehid Mujdoubi (1893-1997).

Solar Impulse: Solar Impulse is a Swiss long-range experimental solar-powered aircraft project, and also the name of the project's two operational aircraft.  The privately financed project is led by Swiss engineer and businessman André Borschberg and Swiss psychiatrist and balloonist Bertrand Piccard, who co-piloted "Breitling Orbiter 3", the first balloon to circle the world non-stop.  The Solar Impulse project's goals were to make the first circumnavigation of the Earth by a piloted fixed-wing aircraft using only solar power and to bring attention to clean technologies.

Medina Lake: Medina Lake is a reservoir on the Medina River in the Texas Hill Country of the United States.  It is operated by the Bexar/Medina/Atascosa County Agricultural District.  Medina Dam was completed in 1913 in a privately financed project, creating the lake to supply irrigation water for local agricultural use.  Lake Medina is in northeastern Medina County, and southeastern Bandera County, about 40 miles (64 km) northwest of San Antonio.

Stoned (film): Stoned, also known as The Wild and Wycked World of Brian Jones in the UK, is a 2005 film about Brian Jones, one of the founding members of The Rolling Stones.  The film is a cinematic work of historical fiction, taking as its premise the idea that Jones was murdered by Frank Thorogood, a builder who had been hired to renovate and improve Jones's house Cotchford Farm in East Sussex.  The film also paints a picture of Jones's use of alcohol and drugs, and his relationships with Anita Pallenberg and Anna Wohlin.

Supporting paragraphs: Bertrand Piccard Solar Impulse
Answer: Solar Impulse