Videos posted recently of crazy Chinese pilots testing their homemade flying machines. The helicopter‘s tail almost hits the ground on takeoff, while the ultralight – which is held together by bailing twine – shakes so much that the pilot can barely take his hands off the controls. On the positive side, the aircraft are cheap to build. The pilot of one said it cost him less than RMB20,000 (less than 2,000 euros) Look out Boeing and Airbus: Heeeere comes China! (h/t Shanghaiist)