Old Man (I'm good with titles)

Portrait study, based on a picture of a Yemeni man taken by Csilla Zelko (it can be found on her 500px page, here: https://500px.com/photo/5688647/old-man-from-sanaa-by-csilla-zelko?ctx_page=1&from=gallery&galleryPath=18966669&user_id=205847 )