Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
air airways and asthma background breathe breathing care clean cleaned cleaner concept conservation contamination country environment filter filtration fitness flying free freedom fresh from function health healthful healthy human improvement kite lifestyle living lung lungs oxygen ozone pollution pulmonary pure quality quit quitting represented respiration safe sky smog smoking summer symbol toxins