mysterious mural, Mount Chiliad, Grand Theft Auto V, UFO, glyphs, secret, Easter egg, night time, full moon, foggy weather, pine trees, rugged terrain, dirt path, hiker with flashlight, 3/4 view, ambient soft lighting, realistic texture, detailed environment, conspiracy, adventure, open-world, action game, panoramic shot, dynamic shadows, mystery-solving character, in-game myth, cryptic symbols, mountain peak, mystery hunter with camera, illuminated glyphs, helicopter searchlight, mystery thriller atmosphere, interactive scenery, high-resolution, long exposure.