It was like a door of some sort set into the rock.

It was deep, however, running far back into the rock.

In cases where they were cut into rock this was not always necessary.

Or perhaps she could walk into the solid rock which would be like air to her.

Above their head was a dark hole, running up into the rock.

A set of steps were cut into rock, leading up through the trees.

She called out, but he had faded into the rock.

The room cut into the rock was roughly two hundred feet high.

This kind of music developed into rock and roll in the 1960s.

She closed her eyes and took a step forward, into solid rock.