Smoke is a stable dispersed system consisting of fine solid particlesSmoke is a stable dispersed system consisting of fine solid particles
A little boy in a helmet and overcoat stands among the destroyed house against the background of dark cloudsA little boy in a helmet and overcoat stands among the destroyed house against the background of dark clouds
Image of dark tall trees against the background of the starry skyImage of dark tall trees against the background of the starry sky
Bare tree trunks, a carpet of withered leaves create the atmosphere of a gloomy forestBare tree trunks, a carpet of withered leaves create the atmosphere of a gloomy forest