Vasilis Lolos, a Greek comics artist, autographs his book at the Comicdom Con Athens 2019 in Athens, Greece, on April 20, 2019. Comicdom Con Athens 2019 takes place in Athens from April 19 to 21, in which comics exhibitions, film screenings, workshops and bazaar of publishers are held for comics artists and fans. (Xinhua/Marios Lolos)