Handout photo dated November 18, 2020 of (From left) Expedition 64 Commander Sergey Ryzhikov and Flight Engineer Sergey Kud-Sverchkov are seen during a spacewalk on the International Space Station's Zarya module. The duo began preparing the station's Russian segment for the new Nauka multipurpose laboratory module due to arrive in 2021. Photo by NASA via ABACAPRESS.COM