Covered bridge, also known as house bridge, wind and rain bridge and centipede grass bridge, is a special bridge formed by adding covered buildings such as pavilions and pavilions on the bridge. According to the structure, it can be divided into three types: wooden arch, flat beam and stone arch.
② On this basis, the styles of existing covered bridges in Qingyuan have changed, and about six kinds have been derived. These covered bridges are not riveted with nails, but closely connected with rubber and trusses, and the bridges, corridors, buildings, pavilions, pavilions and houses are integrated.
(3) Take the "Yueshan Fifth Bridge" in Yueshan Village as an example. For example, Rulong Bridge is the most accurate and longest-lived covered bridge in China. Its appearance, the single-span wooden arch is thick and simple, and the double eaves are flying smartly; Inside, the wishful arches of the algae wells are layered like lotus flowers. The whole bridge is shaped like a figure of eight, with beautiful shape, complex structure, exquisite workmanship and complete functions, which has the legacy of wooden structure in Song Dynasty. This is a national treasure covered bridge. Opposite Rulong Bridge is Laifeng Bridge, a stone arch bridge. Semi-circular stone arches and reflections in streams form the shape of a full moon. The water flowed out of bridge opening slowly. The original couplet on the bridge, "Water comes from the jade bosom, and people go up in the lotus petals", is a true portrayal of the beautiful scenery near the bridge. Bukan Bridge is a long-span stone arch bridge. Bukan means "step into the moon" and "to enter Yueshan Village, you must cross this bridge", which also means "the moon is glorious". The stone arch and the reflection form a big circle, which sets each other off and becomes interesting. This is amazing. Its name echoes Yueshan Village from a distance, with far-reaching implications and good wishes. There is a couplet on the bridge: "Why use an axe to cut Gui Zhi with a pen? There is a road to Bukan Palace on the cloud. " The villagers hope that if they cross this bridge, all the students can go to high school. Coincidentally, there are indeed many local officials in the imperial examination. There is also the unique Baiyun Bridge, which is an oblique flat beam wooden covered bridge. The total length is about 8 meters and there are 3 corridors. Double eaves rest on the top of the mountain, lattice windows, nine purlin four-column beam frame, octagonal ceiling caisson at the top of the middle room, with a passage in the bay and a beauty rest between times, a shrine on the east side of the middle room, and a bridge deck paved with geometric patterns of blue bricks and pebbles. The bridge is exquisite and unique, and has certain ornamental and scientific and artistic research value. There is also a pocket-sized culm pit bridge, which is a cantilever flat-beam wooden covered bridge with a total length of about? The net span is less than 3 meters, which may be the smallest covered bridge in China.
(4) Five covered bridges, many-hued, with upturned cornices, are integrated with the green mountains and green waters, with a leisurely ancient charm. Under the infiltration of years, they internalize into a graceful beauty and form a beautiful landscape.
⑤ From the perspective of large structure, these bridges all have wonderful arcs of wooden arches, which are in line with mechanical principles and have superb technical skills. From the details, the flower windows on the bridge have various shapes, such as folding fan, gourd, banana leaf and peach. On the one hand, it plays the role of ventilation, on the other hand, it plays the role of beautification and decoration. People walking in covered bridges will feel dark and closed if there are no windows. With these ingenious flower windows, we can see the future while being transparent. The scenery seen through different flower windows, with the curve of live wave flow, is not only pleasing to the eye, but also meaningful.
⑥ It can be considered that Qingyuan Covered Bridge is feasible, promising and navigable, which closely combines perfect visual image, traditional practical function and aesthetic taste of harmony between man and nature, and each covered bridge is a typical architectural model.
(1) What is the object of this article?
(2) What are the general characteristics of the existing covered bridges in Qingyuan?
(3) What is the interpretation method for drawing horizontal lines in paragraph (3)? What's the role?
(4) Can the words added in the following sentences be removed? Why?
There is also a pocket-sized culm pit bridge, which is a cantilever flat beam wooden covered bridge with a total length of about 7 meters and a clear span of less than 3 meters. This is probably the smallest covered bridge in China.