iss073e0257845 (July 8, 2025) --- Roscosmos cosmonaut and Expedition 73 Flight Engineer Sergey Ryzhikov poses for a playful portrait in the Zvezda service module seemingly holding its treadmill above his head aboard the International Space Station. Ryzhikov was working on treadmill maintenance inspecting, removing, and replacing components on the exercise device. Credit: Roscosmos

iss073e0510437 (Aug. 19, 2025) --- A lake in the sparsely populated, semi-arid Zhangeldin region of Kazakhstan is pictured from the International Space Station as it orbited 263 miles above the Central Asian nation. Many lakes in Kazakhstan are seasonal and exhibit cyclical drying and refilling patterns or temprarily appear after snowmelt or heavy rains. Credit: Roscosmos

iss073e0510447 (Aug. 19, 2025) --- Agricultural activities in the diverse landscape of Kazakhstan's Jetisu region, near the Chinese border and once a key corridor of the ancient Silk Road, are pictured from the International Space Station as it orbited 263 miles above the Central Asian nation. Credit: Roscosmos

iss073e0257842 (July 8, 2025) --- Roscosmos cosmonauts (from left) Sergey Ryzhikov and Alexey Zubritsky, both Expedition 73 flight engineers, join each other and photograph treadmill components for inspection inside the International Space Station's Zvezda service module. Credit: Roscosmos

iss073e0257848 (July 8, 2025) --- Roscosmos cosmonaut and Expedition 73 Flight Engineer Alexey Zubritsky poses on the Zvezda service module's treadmill aboard the International Space Station. Zubritskiy was working on treadmill maintenance inspecting, removing, and replacing components on the exercise device. Credit: Roscosmos