Bay East Garden provides visitors with an unobstructed view of the city skyline. The resulting space has unobstructed panel visibility and room for an observer seat. A clear acrylic tunnel runs underwater, allowing visitors unobstructed views of the marine environment. The front sight flips down for unobstructed use of optics and accessories. Nonetheless, it allowed an unobstructed view of the cathedral. Instead, they have retracting lateral arms, creating an unobstructed shaded area. The palace is surrounded by a footpath unobstructed by road crossings. Hobbyists whose main goal is competition often prefer a track unobstructed by scenery. This led to the development of an aircraft carrier with a decent unobstructed flight deck. Masqueray's open design allows visitors unobstructed views of the altar and pulpit. These also exposed clockwork machinery and provided a similarly unobstructed view through the machine. The position was an especially prized one, as it allowed unobstructed access to the king. This gave better fire protection and allowed large volumes of unobstructed interior. This yields unobstructed vertical clamping for cutting dovetails and similar operations. An important feature of the Lancaster was its unobstructed long bomb bay.