It was then when someone came with an idea to light the gas in the crater on fire so as to burn it before the poisonous fumes engulf the nearby town of Darvaza.
http://www.vacationideas.me/asia/the-door-to-hell-burning-gas-crater-darvaza-turkmenistan/
http://www.vacationideas.me/asia/the-door-to-hell-burning-gas-crater-darvaza-turkmenistan/