CARACAS, VENEZUELA - JANUARY 13: A shopper walks past nearly empty shelves at a supermarket due to a long term shortage in Caracas, Venezuela on January 13, 2015. Sliding oil prices have sent Venezuela on a downward spiral and sent President Nicolas Maduro on a trip to China to make an urgent appeal for cash. Country's economic woes have triggered severe shortages of some staple product, with government-controlled supermarkets now limiting the amount of certain products customers can purchase. (Photo by Carlos Becerra/Anadolu Agency/Getty Images)
