This image was acquired from
flickr. 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:
smithsonian institution smithsonianinstitution columbian exposition columbianexposition chicago water blackampwhite blackwhite bampw bw expo electricity building electricitybuilding south canal southcanal agriculture building agriculturebuilding machinery building machinerybuilding wooded island woodedisland world's columbian exposition