Fire in the hole! Opening in the earth’s crust reveals river of lava running underneath photographer’s feet

This is one ‘mind the gap’ warning you might want to take seriously as one slip could lead straight into a fiery grave.

Taken on the edge of a crack in the Earth’s crust, the smoking pit reveals an entrance to an underground river of bubbling lava.

Photographed on the scorched terrain of the Tolbachik volcano in Russia, the unseen stream of magma flows just a few hundred metres below the feet of surround tourists.

The smoking pit reveals an entrance to an underground river of bubbling lava

The smoking pit reveals an entrance to an underground river of bubbling lava

In fact, the ever changing terrain is so unstable that crowds run the risk of the ground collapsing beneath their feet.

Russian photographer, Denis Budkov, 35, who has visited the area many times, came across the newly formed fissure after noticing a surge of heat in the area.

Although Denis managed to capture the fast flowing lava on camera, the group decided to not to look directly into the hole or risk coming face-face with splashes of molten rock.

The unseen stream of magma flows just a few hundred metres below the feet of surround tourists

The unseen stream of magma flows just a few hundred metres below the feet of surround tourists

Denis said: “From the last time I visited, the terrain had changed dramatically.

“It was not hard to find the new entrance, we simply tracked it down following the temperature in the air.

“The heat from the opening is immense, you can feel it from a huge distance away.

The ever changing terrain is so unstable that crowds run the risk of the ground collapsing beneath their feet

The ever changing terrain is so unstable that crowds run the risk of the ground collapsing beneath their feet

“We thought about looking inside the hole but the volcano was spitting huge splashes of lava so we dared not get any closer.

“Most tourists come here at night as the volcano is more picturesque but I would say it’s still incredibly dangerous, the ground could collapse at any time.

“If you look around there a various holes of collapsed Earth, this was one of the bigger ones.”

“I’d say that seeing this volcano is worth the risk, it is a magical place.”