大坝是河上的混凝土拱形大坝. 从飞机窗看到大坝的景色. 大坝是哈萨克斯坦河上的混凝土拱坝.

混凝土拱形单车道桥

伏尔塔瓦河上的混凝土拱桥

密苏里州杜佐附近凯蒂小路的混凝土拱桥

生长着鲜艳红色常春藤的混凝土拱门

横跨伏尔加河的混凝土拱桥，位于雷宾斯克

位于里宾斯克跨越伏尔加河的混凝土拱桥

密苏里州杜佐附近凯蒂小道的混凝土拱桥

曲拱桥梁混凝土

美丽的具体曲拱桥梁

aerial view of a concrete arch pedestrian bridge

massive concrete arch dam with bridge spanning deep spillway in rocky desert canyon impressive engineering structure dramatic

混凝土拱坝，迈庞加水库，南澳大利亚州

kra bridge between skradin and sibenik long concrete arch spanning krka river croatia view from aci marina

克拉大桥位于斯克拉丁和希贝尼克之间，横跨克尔卡河的长混凝土拱桥，斯克拉丁，克罗地亚

concrete arch bridge over krka river near rest area croatia large spanning the dalmatia with a sailboat passing below on clear

concrete arch viaduct at viaducto de guadalupe spain wide view of the a spanning wooded valley near in extremadura warm evening

concrete arch bridge spanning a river with lush green vegetation nearby stone supports over surrounded by dense foliage

废弃的地下矿井入口，带有倒塌的岩石和混凝土拱门

废弃的地下矿井入口，有倒塌的岩石和混凝土拱门

曲拱桥梁混凝土

los angeles california january sixth street viaduct s concrete arch structure features a robust design with integrated cable stays

克尔卡桥位于A1高速公路或克尔卡河附近的斯克拉丁的钢筋混凝土拱桥，克罗地亚

massive concrete arch dam with water discharge channels and construction crane at the top aerial view of hydropower structure

混凝土拱坝，迈蓬加水库，南澳大利亚州

混凝土拱坝，迈蓬加水库，南澳大利亚州 - 纵向

混凝土拱坝，迈庞加水库，南澳大利亚州 - 纵向

stockholm sweden march sunlit concrete arch bridge over urban park with trees and apartment buildings at sunset golden hour

具体曲拱桥梁十字架运河

杰出的混凝土拱桥

具体曲拱桥梁十字架运河

一位站立的成年女子凝视着平静的水面，沙子在混凝土拱门下，周围是港口建筑和鸟类