
Lightning forks across the purple sky as hundreds of thousands of cranes roost in the shallows of the Platte River, Nebraska. (Randy Olson/National Geographic)
Lightning forks across the purple sky as hundreds of thousands of cranes roost in the shallows of the Platte River, Nebraska. (Randy Olson/National Geographic)
Lightning forks across the purple sky as hundreds of thousands of cranes roost in the shallows of the Platte River, Nebraska. (Randy Olson/National Geographic)
Lightning forks across the purple sky as hundreds of thousands of cranes roost in the shallows of the Platte River, Nebraska. (Randy Olson/National Geographic)
Lightning forks across the purple sky as hundreds of thousands of cranes roost in the shallows of the Platte River, Nebraska. (Randy Olson/National Geographic)
Lightning forks across the purple sky as hundreds of thousands of cranes roost in the shallows of the Platte River, Nebraska. (Randy Olson/National Geographic)
Lightning forks across the purple sky as hundreds of thousands of cranes roost in the shallows of the Platte River, Nebraska. (Randy Olson/National Geographic)
Lightning forks across the purple sky as hundreds of thousands of cranes roost in the shallows of the Platte River, Nebraska. (Randy Olson/National Geographic)
Lightning forks across the purple sky as hundreds of thousands of cranes roost in the shallows of the Platte River, Nebraska. (Randy Olson/National Geographic)