The boy throws a paper airplane against the background of a smoking pipe. Ecology. - Stock Photo & Image

A happy child is playing with a paper airplane at sunset. Classes with children outdoors. Lifestyle

A happy child is playing with a paper airplane at sunset. Classes with children outdoors. Lifestyle

A happy child is playing with a paper airplane at sunset. Classes with children outdoors. Life style

The boy throws paper airplanes against the background of a smoking pipe. Ecology.

Power plant with smoke and dirty orange air

Smokestacks making air pollution over dramatic sky

The thick smoke belching from factory chimneys

Old aged weathered tall industrial factory chimney with smoke over it. Cloudy sky background.

Factory pipes and white smoke floating in the air. Industrial tube and smoke from chimney with cloudy cold day on the background.

Black silhouette of big industry tubes. Factory industrial gas technology.

High voltage post. High-voltage tower sky background, factory pipe with smoke over it. Earth pollution concept. Industrialization. Selective focus

Dark shadows of high voltage electric towers. Sunset silhouettes of big electric construction.

High voltage electric lines and industry. Pipes with dark smoke near the transmission electric towers at dusk. Pollution the atmosphere. View from below

Silhouette of electric distribution. Big constructions of electric energy.

Power pylons on sunset time background. High voltage electric tower. Selective focus

Dark silhouette of electric tower on red sky background. Transmission lines of high-voltage electric towers at sunset

Black silhouette of a boy standing against orange summer sunset background. holding small paper plane in hands. Horizontal photo.

Energy distribution network. Electricity pylons against orange and yellow sunset. Selective focus.