Formula One driver Zhou Guanyu says halo device 'saved me' during high-speed crash

F1's Halo device saves another life in a horrific crash. How does it work?

Formula One driver Zhou Guanyu says halo device 'saved me' during high-speed crash

Zhou Guanyu says halo saved him in huge crash at Formula 1 British Grand Prix

Zhou: F1's halo saved me in British GP start crash

Zhou feared F1 car would catch fire with him trapped inside

The halo saved me!' Zhou on horror British GP crash

Formula One World Hails Halo Technology for Saving Driver Guanyu from Death

What is the 'halo' safety device that Zhou Guanyu says saved him at British GP?

The halo saved me! Zhou on horror British GP crash-Xinhua

Chinese driver Zhou Guanyu targets immediate return to action following terrifying high-speed crash