This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
INTERIOR THIRD FLOOR SOUTH STAIRWELL. Photograph en INTERIOR THIRD FLOOR SOUTH STAIRWELL Pension Building Street Northwest Washington District of Columbia DC LOCimage hhh dc accession number HABS DC WASH HABS photographer HABS Interior third floor south stairwell tif tif DC WASH National Building Museum