Agriculture specialists from the US Customs and Border Protection inspect a shipment of flower stems on February 8, 2017 at the Miami airport, to keep pests and plant diseases from entering the US and harm local agriculture. 
In the span of two to three weeks ahead of Valentine's day, airport authorities expect to receive more than 500 million stems to be distributed all over the country.  / AFP / Leila MACOR / TO GO WITH AFP STORY BY LEILA MACOR        (Photo credit should read LEILA MACOR/AFP/Getty Images)