departmentofenergy 8683505494 Acting Secretary Daniel Poneman, Department of Energy, control center ESIF

---

Size: 1938px × 1290px
Photo credit: © Nature and Science / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., arvizu, dan, daniel, department, deputy, education, energy, events, national, park, poneman, secretary, visitors