Serenity (Pinghu) distinguished itself from other Yangtze River ships by its design and shape. Its hull is made of closed glass curtain wall, which gives her a highly faired style, that only the luxurious ocean liners possess. The US – made glass curtain walls, which have a green coating, continuously reflect the beautiful scenery on both sides of the Yangtze River. When the scenery changes, the reflection on the hull changes at the same time.