Tank, owned by Duane Smith, of Des Moines, Iowa, sits on the throne after being crowned the winner of the 36th annual Drake Relays Beautiful Bulldog Contest, Sunday, April 19, 2015, in Des Moines, Iowa. The pageant kicks off the Drake Relays festivities at Drake University where a bulldog is the mascot. (AP Photo/Charlie Neibergall)
National Geographic photographer James Balog, who uses his stunning imagery to document climate change, will deliver the 30th Bucksbaum Lecture at Drake University on April 13. Learn more at www.drake.edu/bucksbaum.