A stunt pilot did the unimaginable and made it to the Guinness Book of World Records. Italian air-racer set a Guinness World Record for the longest flight through a tunnel. Stunt Pilot Dario Costa flew an aeroplane through two tunnels in Turkey’s Istanbul. Costa covered a distance of 1,730 m and set the record for longest flight through a tunnel. Austrian company Red Bull had released the video of the flight on September 4. Costa flew for 2.6km through two tunnels at an average speed of 245.07 km/h. Watch the full video for more.