new77The new 777X will be the world’s largest and most efficient twin-engine jet, unmatched in every aspect of performance. With new breakthroughs in aerodynamics and engines, the 777X will deliver 10 percent lower fuel use(@new77) • Foto dan video . . Login. Buka aplikasi. Foto profil new77. 0 kiriman. 2 pengikut. 0 diikuti. new77.