Landscape with a Shape-Shaped Cave Entrance

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 repeat 1] shape. This [shape repeat 2] shape should be simple and defined, without intricate details, emphasizing just the overall [shape repeat 3] outline. The surrounding environment should include [details], but these elements should not distract from the cave's   [shape repeat 4]-shaped entrance. The lighting in the scene should enhance the visibility and distinctiveness of the [shape repeat 5]-shaped cave entrance.