/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: vsurkov https://cdn.slidesharecdn.com/profile-photo-vsurkov-48x48.jpg?cb=1523393122 Photographer, freediver, AOWD, motorcyclist, APPLEist and sometimes IT engineer. my blogs: about photography - http://vsurkov.ru about freediving - http://apnea.su