Darkness surrounds residential homes due to a load shedding blackout by Eskom Holdings SOC Ltd. in the Troyeville suburb of Johannesburg, South Africa, on Monday, Nov. 3, 2014. Eskom said South Africa's power supply remains strained as it investigates what caused a silo storing coal to collapse, forcing the state-owned utility to cut electricity to customers. Photographer: Dean Hutton/Bloomberg via Getty Images
