Although the images here are related to culture (BP521left), the solution of this Bongard Problem is about the visual style of the images.
Adjacent-numbered pages: BP550 BP551 BP552 BP553 BP554  *  BP556 BP557 BP558 BP559 BP560
less, culture, experimental
zoom in left (black_and_white_photograph)
Aaron David Fairbanks
Adjacent-numbered pages: BP1178 BP1179 BP1180 BP1181 BP1182  *  BP1184 BP1185 BP1186 BP1187 BP1188
precise, arbitrary, pixelperfect, contributepairs, right-couldbe, preciseworld
Leo Crabbe