Venezuelan President Nicolas Maduro is welcomed by Saudi Crown Prince Salman in Riyadh on Sunday. The meeting was part of Maduro's diplomatic tour of OPEC members to discuss falling oil prices, which have hit Venezuela's economy hard. Reuters /Landov hide caption

itoggle caption Reuters /Landov

People queue outside a store to buy home appliances at a preferential price in Caracas last November. The country is suffering from many shortages of basic goods. Federico Parra/AFP/Getty Images hide caption

itoggle caption Federico Parra/AFP/Getty Images

Cuban President Fidel Castro (left) and Venezuelan President Hugo Chavez in Barinas, Venezuela, in 2000. The two formed a close partnership, which has continued with their successors. However, the prospect of normal ties between the U.S. and Cuba may also have an impact on relations between Cuba and Venezuela. Jose Goitia/AP hide caption

itoggle caption Jose Goitia/AP

Actor Samuel Lange Zambrano plays Junior, a boy who becomes obsessed with relaxing his hair. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Government-subsidized goods at a state-run market in Caracas, Venezuela, in 2012. Smuggling of cheap groceries into neighboring Colombia is so rampant that the government plans to fingerprint shoppers. Fernando Llano/AP hide caption

itoggle caption Fernando Llano/AP

A demonstrator confronts riot policemen during an anti-government protest in Caracas, Venezuela's capital, on Feb. 22. Raul Arboleda/AFP/Getty Images hide caption

itoggle caption Raul Arboleda/AFP/Getty Images

Venezuelan President Nicolas Maduro raises his fist after the National Assembly gave him wide-ranging powers to rule by decree for one year on Nov. 19, 2013. With the economy struggling, demonstrators have taken to the streets the streets. Juan Barreto/AFP/Getty Images hide caption

itoggle caption Juan Barreto/AFP/Getty Images

Leopoldo López, an ardent opponent of Venezuela's socialist government facing an arrest warrant after President Nicolas Maduro ordered his arrest on charges of homicide and inciting violence, kisses his wife Lilian Tintori, before turning himself in to authorities on Tuesday. Leo Ramirez/AFP/Getty Images hide caption

itoggle caption Leo Ramirez/AFP/Getty Images

This photo, which witnesses say shows Venezuelan beauty queen Genesis Carmona being evacuated from the scene of a protest on Tuesday, is ricocheting around the Web. She died after being shot. /Reuters/Landov hide caption

itoggle caption /Reuters/Landov

Venezuelan opposition leader Leopoldo Lopez (in white shirt) as he turned himself over to police on Tuesday in Caracas. Cristian Hernandez /Xinhua/Landov hide caption

itoggle caption Cristian Hernandez /Xinhua/Landov