Alexander Yushkov, 49, lights a blowtorch to warm up the engine of his self-made three-wheeled cross-country vehicle called "Bolivar," on March 11, 2013.

Yushkov drives his self-made vehicle near the frozen Mana river in a remote taiga area, some 37 miles southeast of Russia's Siberian city of Krasnoyarsk, on March 11, 2013.

Yushkov modifies a truck tire for use on his self-made three-wheeled cross-country vehicle, on March 11, 2013.

Yushkov drives his self-made three-wheeled cross-country vehicle in the village of Ovsyanka, on March 11, 2013.

Yushkov makes tea after driving to his self-built hunting lodge river in a remote taiga area, outside of Russia's Siberian city of Krasnoyarsk, on March 11, 2013.

Syrian rebels stand atop Sham II, a homemade armored vehicle made by the rebels' Al-Ansar brigade, in Bishqatin, west of Aleppo, on December 8, 2012.

A rebel uses a GTS game controller to activate the machine gun mounted on the Sham II.

A rebel drives the Sham II with the help of cameras mounted on the vehicle.

Ding Shilu, an automobile mechanic, drives his self-made aircraft for a test-flight on the outskirts of Shenyang, Liaoning province, China on Feb. 25. The aircraft, which weighs about 287 lbs and is made of recycled materials including three motorbike engines and plastic cloth, cost about 2600 yuan ($395), local media reported.

Ding Shilu carries out a test-flight for his self-made aircraft on Feb. 25.