A dark cave with a cliff and a river of lava and a long, rusty iron bridge

A dark cave with a cliff and a river of lava and a long, rusty iron bridge. connected to a cave and the continuation of the cave with the exit to a mountain. And that there are also two scientists, a woman with loose hair and a man with straight black hair. About to cross the bridge, the man at the end of the bridge the woman in the middle. And have scientist clothes plus a backpack. And this is a dark and foggy environment