Shape of Landscape Cave Entrance

Prompt: An image of a [TYPE] landscape,
featuring a cave entrance that is shaped exactly like the
outline of a [SHAPE].

The cave should blend naturally into the rugged terrain of the mountain,
with
the entrance forming a clear and unmistakable [SHAPE] shape.

This [SHAPE] shape should be simple
and defined,
without intricate details,
emphasizing just the overall [SHAPE] outline.

The
surrounding environment should include [DETAILS],
but these elements should not distract from the
cave's   [SHAPE]-shaped entrance.

The lighting in the scene should enhance the visibility and
distinctiveness of the [SHAPE]-shaped cave entrance.