There are live burning natural gas holes at this earth. These look like door to hell. These were ignited to stop poisonous gas discharge. There seems to be an infinite resource of natural gas which is burning without a pause since 35 years. This place in Uzbekistan is called by locals “The Door to Hell”. […]

Sometimes you have to make fire but you do not have matches or lighter. In this case if you have a little cell battery, you can create a fire in an instant.