Jamaica's Veronica Campbell-Brown, world 100m champion in 2007, poses beside a Beijing Olympics poster after an interview at the Beijing Sport University February 4, 2008. Six of the likely athletics stars of the Beijing Olympics -- Tyson Gay, Jeremy Wariner, Allyson Felix, Campbell-Brown, Jana Rawlinson and Haile Gebreslassie -- hit the Chinese capital to give a clinic to local athletes. [Agencies]