Oliva Solarte, 61, greets people upon her arrival in Mosquera, Cundinamarca province, near Bogota July 16, 2009. Solarte has spent twelve days walking 500km (248 miles) from Aguachica in Cesar province as a protest to call for the release of her son Jorge Trujillo, a policeman who was kidnapped by FARC rebels ten years ago. REUTERS/John Vizcaino (COLOMBIA CONFLICT)