Smoke is a stable dispersed system consisting of fine solid particlesSmoke is a stable dispersed system consisting of fine solid particles
Children of different races, light and dark-skinnedChildren of different races, light and dark-skinned
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
Beautiful nature of zealand with mountains and waterfallsBeautiful nature of Zealand with mountains and waterfalls