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.
US Naval Observatory Washington District of Columbia. US Naval Observatory Washington District of Columbia usno navy mil unknown author US Naval Observatory PDUSGovMilitaryNavy Buildings of the United States government in Washington United States Naval Observatory
Page 2023 Free-images.com. All images are Public Domain