Curved door introduction: The bridge deck in the middle of the thirty-three-hole bridge is sandwiched by two rows of three-meter-high walls on the sides. There is an arc-shaped door every two or three meters on the wall.
Attraction
Curved door introduction: The bridge deck in the middle of the thirty-three-hole bridge is sandwiched by two rows of three-meter-high walls on the sides. There is an arc-shaped door every two or three meters on the wall.