A customs inspector X-rays boxes of flowers packed for export and are ready to be loaded onto cargo planes to check for drugs before Valentine's Day at El Dorado International Airport in Bogota February 5, 2013. Valentine's Day is marked on February 14, with many people giving loved ones flowers as a token of their affection. But a troubled global economy has some growers in Colombia worried about this year's crop. Picture taken February 5, 2013. REUTERS/John Vizcaino (COLOMBIA - Tags: BUSINESS ENVIRONMENT)