An aerial view over a newly dug trench containing precast concrete pipes and bright orange plastic pipes, installed for the construction of a new housing development.
Close-up road cones in sunlight outdoors. Traffic cones placed on asphalt sidewalk at construction site.
Border fence between Israel and West Bank. barbed wire electronic fence.
Border fence between Israel and Lebanon. barbed wire and electronic fence.
Protective concrete barrier to protect the mountain road from landslides and rock falls. Landslides and rockfalls on the road in the
Road construction with red and white cones around in sunshine. Industrial urban sidewalk on sunny summer day with pit outdoors.
Construction protective barriers against rock falls and landslides in mountainous province. Aerial view heavy machinery on the construction of a mountain road. Cement block road protection from
A close-up view over traffic cones placed on double yellow lines at the side of a road.
A close-up view of a roadblock with red and white bollards and a "Road Closed" sign in the middle of the road.
Hydroelectric power station spillway aerial view Hydroelectric power station renewable energy source. Hydroelectric power station eco-care
Danger sign behind orange barrier fencing
City Fence in Bright Sunlight: Metal Barrier with City Buildings Background
Road closed Detour Sign on Street
Great Wall of China in Summer with beautiful sky. Famous Great Wall of China, section Mutianyu, located nearby Beijing city
Coastal Tetrapod Concrete Breakwater
Tetrapod Concrete Breakwater Protecting the Coast from Erosion
Workers repair the road. Kyiv. Ukraine.
Border fence between Israel and Lebanon. barbed wire and electronic fence.
Protective concrete barrier to protect the mountain road from landslides and rock falls. Landslides and rockfalls on the road in the mountains.
Workers strengthen the slope of the mountain with metal mesh preventing rockfall and landslide on the road, above view. workers constructing
Thermal insulation frame house in process of construction. Close up
A bright orange traffic cone on the roadside
Concrete Breakwater Protecting the Coast from Erosion
Tetrapod Concrete Breakwater Protecting the Coast from Erosion
A traffic cone on the side of a road
Hongkong, China - August 2019: Luggage transportation at Hong Kong airport. Worker loading suitcases onto small car with trolleys. Travel concept.
Tetrapod Concrete Breakwater Protecting the Coast from Erosion
Aerial view of a dam on river Adda, Italy
construction barricade and cones on the city
Road Construction Ahead orange caution sign 4k
Enguri dam, hydro power plant
Construction worker wearing safety jacket and yellow hardhat moving a safety barrier on construction site
Border fence between Israel and Lebanon. barbed wire and electronic fence.
Construction of protective barriers against rock falls and landslides in the mountainous province. Aerial view of heavy machinery on the
Aerial view of a dam on river Adda, Italy
Sector of the Berlin wall with protruding fittings.
A close-up view over traffic cones placed on a snow-covered roadside.
Detour traffic sign in downtown Las Vegas Nevada 4k
Dam with flowing water at hydroelectric power station located south of Lake Como.
A bicyclist rides past a closed trail sign and takes a detour.
Aerial view of a dam on river Adda and hydroelectric power station, Italy
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Aerial view of clear lake named Sermo lake with dam sluice gate on a bright day in Kulonprogo, Yogyakarta, Indonesia.
Aerial view of a dam on river Adda, Italy
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reinforcement works in The Netherlands. Aerial view.
A large road-closed sign in the middle of a road, surrounded by heavy-duty bollards and construction equipment, blocks all traffic from entering the road into the city.
Dam with flowing water at hydroelectric power station located south of Lake Como.
The Maeslantkering is a storm surge barrier that was commissioned in 1997 on the border of Het Scheur and the Nieuwe Waterweg near Hoek van