TVXQ appears in Cambridge English textbook

It seems like the Gods of the East will now be spreading their wings over the West as well! Well, not exactly. DBSK / TVXQ / Tohoshinki - as their multiple names also prove - has no doubt reached their climax in popularity across Asia, but not so much in the U.S. or Europe. However, a netizen from Lithuania recently posted a scanned page of an English textbook published by the Cambridge University of Great Britain, claiming a vaguely shown picture to contain a TVXQ poster! This illustration does indeed show a poster of the five boys, as you can see above. It has been found to be TVXQ's promotional poster for their Japanese album, Because Tomorrow is Coming (???????)! And to double the surprise, this picture is actually not a photograph, but an illustration that has been drawn!