Foto: Ropná horečka v Severní Dakotě

7/30 Přehled fotografií
An oil pump jack operates near a vacant farm structure outside Williston, North Dakota, October 19, 2012. Thousands of people have flooded into North Dakota to work in state's oil drilling boom. Picture taken October 19, 2012. REUTERS/Jim Urquhart (UNITED STATES - Tags: ENERGY ENVIRONMENT AGRICULTURE BUSINESS EMPLOYMENT) Published: Říj. 22, 2012, 1:40 odp.
Nezaměstnanost 3,5 procenta může Severní Dakotě závidět kde kdo. | Foto: Reuters