Warsaw, Poland - 2017 April 07: Barbara Toczko - Head of Air and Noise Monitoring at the Environmental Monitoring and Information Department speaks during The Day of Health - science conference in the National Library on April 07, 2017 in Warsaw, Poland.<br /> <br /> Mandatory credit:<br /> Photo by © © Adam Nurkiewicz / Mediasport / Mediasport<br /> <br /> Picture also available in RAW (NEF) or TIFF format on special request.<br /> <br /> Any editorial, commercial or promotional use requires written permission from the author of image.<br /> <br /> Adam Nurkiewicz declares that he has no rights to the image of people at the photographs of his authorship.
{}