名所江戸百景　御厩河岸, Ommayagashi, Sumida River, Edo period (1615?1868), ca. 1857, Japan, Polychrome woodblock print; ink and color on paper, H. 14 3/4 in. (37. 5 cm) ; W. 10 1/8 in. (25. 7 cm), Prints, Utagawa Hiroshige (Japanese, Tokyo (Edo) 1797?1858 Tokyo (Edo) ), The Oumayagashi ferry, seen in Hokusai's print, was a popular means of crossing the Sumida River at the center of Edo, because passengers enjoyed viewing the city's famous sites from the ferry. In Hiroshige's print, members of the lowest class of street prostitute, known as yotaka ('night hawks'), are shown taking the ferry to work