Lucas Callorca, a missionary working at Montemorelos University in North Mexico, poses for a picture after participating in the Colors Run held in Montemorelos, April 21, 2013. Hundreds of young people from the university and surrounding community participated in the 4K run organized by the district’s health department, La Carlota Adventist Hospital and Montemorelos University, to promote health across the city. Runners were sprayed with color powder as they finished the race. Image by Daniel Gallardo/IAD