红色的航标浮筒位于河流变浅时的沙滩上. 一个红色的航标浮筒位于沙滩上。环境问题

阿姆斯特丹红色航标浮筒

river navigation buoy near forest white floating on the oka a green forested shoreline sunny summer day in serpukhov

多云天气中的海上导航浮标

黄色航标浮在公海，背景是沿海山脉

漂浮在波光粼粼的深色水面上的红色航标

黄色北向枢纽标记导航浮标漂浮在开阔的蓝色海面上，靠近一个小小的岩石岛屿

导航浮标

yellow navigation buoy with cross shaped marker floating in rippled sea water under moody overcast sky a long bridge stretching

葡萄牙里斯本特茹河上的航标，背景为 4 月 25 日大桥

绿色航标在易北河强劲的急流中倾斜，湍急的水流在标记周围形成泡沫浪花。高水位，洪水流

多瑙河上的绿色航标

秘鲁帕拉卡斯，帕拉卡斯湾导航浮标上的海狮景观

river navigation buoy in the water summer cone shaped marked with number floats on a is white flat top and small light fixture

蓝色海洋中的黄色导航浮标

一个黄蓝相间的导航浮标漂浮在一个漫游车上

weathered navigation buoy floats in calm coastal waters off the khanom coastline framed by lush limestone cliffs and dramatic

绿色导航浮标漂浮在蓝色水面上

开放水域游泳者经过导航浮标，配备安全浮标，在湖中进行自由泳姿势

wild fur seals relax on a navigation buoy in the ocean animals are lying floating platform and metal rungs with their heads up

野生的毛皮海豹在海洋中的航标浮标上休息。

野生的毛海豹在海洋中的导航浮标上放松

wild fur seals relax on a navigation buoy in the ocean the animals climb onto the floating platform and lie down peru paracas

wild fur seals relax on a navigation buoy in the ocean the animals lie with their heads up sleeping on metal rungs peru paracas

bright red navigation buoy floating on rippled river water marked beacon standing upright with weathered paint and small light

red navigation buoy in turquoise waters of the galapagos islands maritime floating ocean near a rocky coastline coastal

green navigation buoy on coastal water in swinoujscie poland a single floats slightly rippled near the shoreline distant coast

克罗地亚科纳蒂附近的亚德里亚海红色航标

德国奥伯韦泽尔附近的莱茵河中反射出的绿色航标

孤独的航标浮在平静的蓝色海洋表面

莱茵河航道标记浮标

莱茵河航标浮标在低水位时倾斜

航海浮体在海

绿色现代导航浮标在海水中

红色的航标浮标在晴朗的天空下，矗立在平静的蓝色海洋中

a green navigation buoy floating in turquoise sea water near the coastline

a green navigation buoy floating in turquoise sea water near the coastline a green navigation buoy floating in turquoise sea water

秘鲁帕拉卡斯前往巴列斯塔斯群岛途中，帕拉卡斯湾导航浮标上的海狮景观

wild fur seals arctocephalus australis relax on a navigation buoy in the ocean marine mammals lie crossbeams sitting with their

海岸防护四脚锥体，远处平静海面上有一只黄色航标浮标

黑色现代导航浮标，带有黄色条纹