This is an extract from National Geographic´s Youtube channel. Long life to these amazing photographers and their unique and significant work.
"Who are National Geographic photographers? To honor 125 years of photography, we turn the (video) camera on our colleagues and get to know the people behind some of the most celebrated photographs in the world.
Visit http://proof.nationalgeographic.com for more interviews from this series, in which National Geographic photographers explore the power of photography and explain why this life of image-making suits them so well.
PHOTOGRAPHERS
Lynsey Addario
William Albert Allard
James Balog
Marcus Bleasdale
Jodi Cobb
David Doubilet
David Guttenfelder
David Alan Harvey
Aaron Huey
Lynn Johnson
Ed Kashi
Tim Laman
David Littschwager
Gerd Ludwig
Michael Nichols
Paul Nicklen
Randy Olson
Jim Richardson
Joel Sartore
Stephanie Sinclair
Brian Skerry
Brent Stirton
Amy Toensing
Michael Yamashita
PRODUCTION
PRODUCERS: Pamela Chen and Chad A. Stevens
ASSOCIATE PRODUCER: Elyse Lipman
PICTURE EDITOR: Ken Geiger
ASSOCIATE EDITOR: Kathryn Carlson
CAMERA AND SOUND: Spencer Millsap and Shannon Sanders
MUSIC: Tyler Strickland
EDITORS, UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL
Chad A. Stevens
Spencer Bakalar
Kathryn Carlson
Mika Chance
Erin Hull
Caitlin Kleiboer
G. Ligaiya Romero
Allison Russell
Julysa Sosa
Michelle Tessier
Carolyn Van Houten
Julia Wall
Ivan Weiss"
©National Geographic