On February 9, 2023 Chinese cosmonauts Fei Junlong and Zhang Lu performed the spacewalk to install the first additional pump block of the thermal control system and attaching the first external platform to the “Mengtian” module of the “Tiangong” station. The EVA lasted 7 hours and 06 minutes. It was the 1^st spacewalk for both Fei Junlong and Zhang Lu.