An employee displays a gold bar at a gold refining workshop of the plant of Uralelektromed Joint Stock Company (JSC), the enterprise of Ural Mining and Metallurgical company (UMMC) in the town of Verkhnyaya Pyshma, outside Yekaterinburg, Oct. 17.
A sculpture of oil workers in Caracas, Venezuela. The country is heavily dependent on oil exports, and falling oil prices have had a ripple effect on the country's already troubled economy.
U.S. Secretary of State John Kerry speaks with Saudi King Abdullah bin Abdul Aziz al-Saud as the Saudi ambassador to the United States, Adel al-Jubeir, listens before a meeting at the Royal Palace in Jiddah, Saudi Arabia, on Sept. 11.
Brendan Smialowski/AFP/Getty Images