[s0e13] Planet Of The Dead ✦ Must See

The bus hit the rift like a diver hitting water. There was a moment of blinding white light, a jolt that threw everyone to the floor, and then—the smell of rain and diesel.

"A trillion people lived here a year ago," the Doctor said softly. "Then something came. Something that eats everything. Not just the people, but the air, the water, the very molecules of the world." [S0E13] Planet of the Dead

She didn't hesitate. She handed over a necklace of psychically-responsive crystals. The Doctor jammed them into the steering column. The bus hit the rift like a diver hitting water

If you'd like to dive deeper into this episode, I can help you: but the air