Which of the following statements about ancient architectural elements is incorrect:

Answer: B

Item A is correct. Huabiao is a traditional architectural form in ancient China. It is a huge stone pillar used for decoration in front of large buildings such as ancient palaces and mausoleums. According to legend, Huabiao It is a totem symbol of the tribal era. It was called Huanbiao in ancient times and is rich in profound traditional Chinese cultural connotations.

Item B is wrong. Waterside pavilions refer to traditional Chinese buildings built on the waterside or on the water for tourists to rest and enjoy the scenery. A boat is a boat-shaped building imitating the shape of a boat and built on or near the water in the garden for people to play, hold banquets and enjoy the waterscape.

Item C is correct. The screen wall generally refers to the screen wall. It is a kind of building in front of ancient temples, palaces, government offices and deep residences. It is the wall outside the door facing the gate as a barrier.

Item D is correct. The city gate refers to the observation towers on both sides of the city gate. For example, in "Poetry·Zheng Feng·Zi Jin": "The towers are high and the buildings are in the city." The "city palace" in it refers to this kind of building.

This question is a multiple-choice question, so the correct answer is B.