NASA NASA's Webb Telescope Ghostly 'Lights Out' Inspection

The technicians who are inspecting the telescope and its expansive golden mirrors look like ghostly wraiths in this image as they conduct a "lights out inspection" in the Spacecraft Systems Development and Integration Facility (SSDIF) at NASA's Goddard Space Flight Center in Greenbelt, Maryland. via NASA http://www.nasa.gov/image-feature/goddard/2017/nasas-webb-telescope-ghostly-lights-out-inspection