NASA astronaut and Director of Operations, Star City, Russia, Joe Acaba takes a photograph of NASA astronaut and Astronaut Office Representative Shannon Walker after they each planted a tree during a traditional ceremony at the Cosmonaut Hotel in Karaganda, Kazakhstan, Tuesday, Oct. 2, 2018. Acaba and Walker are in Karaganda to help support the Expedition 56 crew Soyuz landing from the International Space Station. Photo Credit: (NASA/Bill Ingalls)