Announced Weds (3 June), Chris Gunn won the ???Places??? category of NASA's second annual "Photographer of the Year" awards for this striking image of the Spacecraft Systems Development and Integration Facility (SSDIF) at NASA Goddard in Greenbelt, Maryland. For NASA???s James Webb Space Telescope and its incredibly sensitive scientific instruments, cleanliness is critical. Chris??? picture shows Contamination Control Engineer Yingrui ??sZao??? Huang standing in front of the wall of filters that help keep the cleanroom clean. Huang, who has been on the mission since 2013, play an important role in ensuring Webb???s hardware is in pristine condition during the testing and integration that lead up to launch. Where: Greenbelt, Maryland, United States When: 18 Apr 2019 Credit: Chris Gunn/NASA/Cover Images **Editorial use only**