People look at a sand sculpture featuring characters from the Attack on Titan (Shingeki no Kyojin, literally ‘Advancing Giants’) manga series at Enoshima east beach in Fujisawa, Kanagawa prefecture, some 50km southwest of Tokyo. A week-long exhibition of the sand art featuring the manga series by Hajime Isayama, to mark the sale of 23mn copies of the manga, started on Friday.