インフラストラクチャの画像素材（写真・イラスト） 18ページ目

This modern facility combines waste-to-energy production with recreational activities. The unique architecture features a prominent smokestack, set against a clear blue sky in Copenhagen.

Smoke white industrial plant industry environmental pollution blue cloudy sky

Server cluster storing important digital information technology

Water treatment plant operates in the rural area with large circular tanks and buildings during a clear day in early spring

Modern street cleaning vehicle with rotating brushes working in an urban area

Stacked old dismantled radiators awaiting replacement, illustrating heating system renovation, energy efficiency, heat conservation, and preparation for winter.

Environmental care concept. Various scenes with eco-friendly elements, renewable energy, and sustainable practices in cities and natural environments. Ideal for educational, awareness campaigns

Rear view of a green street cleaning vehicle driving along a city sidewalk

Hydrant stands by a snowy area near buildings in a neighborhood on a cold day

Dark urban navigation dashboard with glowing orange road network and multiple GPS markers. Vector illustration.

Solar farm generating clean renewable energy from sun using many photovoltaic panels in green field

Empty steel truss bridge with perspective lines and road stretching into distance on overcast day

Cloud computing concept mega set with character scenes in flat design for web. Bundle situations with people doing online sync, working with digital files, using cloud storage. Vector illustrations.

June 20 2026 HK Curving Mountain Road With Warning Signs

Electrician workers repairing damaged power lines using bucket trucks after hurricane Ian in Florida residential area

Old industrial factory facade building

System administrator uses deep learning tools on a digital device in a server room to improve AI operations and system efficiency.

Industrial metal handwheel valve controlling flow system

Data center technician leaves with desk items after receiving a job termination notice from a system administration role.

Young woman attending online wind power webinar with laptop and headphones. Renewable energy education and green technology training

Tree flowers bloom. Seasonal renewal observed in city trees with flowering branches. Urban landscape features horsechestnut trees exhibiting blooms during seasonal change

Upper Section of Yellow Apartment Building with Antenna and Clear Sky

Metal Handrail Along Stone Wall Stairway

Rusty Honeycomb Manhole Cover On Herringbone Paving And Concrete Sidewalk Urban Street Detail

Driver's view of a street with apartment buildings and trees