Monday, Feb 28 Corto Boy Published Feb 28, 2011 10:08 PM Galleries Today's reader-submitted Photo of the Day was shot by Flickr-user Corto Boy at London's Portobello Market. You can see more of Corto Boy's images HERE. Corto Boy SHARE MORE TO READ RELATED The 30 emerging photographers to watch in 2022 'The 30' competition—a reincarnation of PDN's '30 under 30'—continues the tradition of showcasing new and emerging photographers. READ NOW RELATED 3 perfectly posed pups, Orion’s Belt from Big Bend, and other favorite Photos of the Day This week’s reader-submitted Photos of the Day gallery is all about decisive moments. RELATED An epic lightning strike, a bird taking flight, and our other favorite Photos of the Day It's time for another gallery of reader-submitted images. This week's roundup showcases images popping with color.