This is the keyword "culture" on the OEBP.
Any BP that has to do with the planet Earth belongs here.
Adjacent-numbered pages: BP516 BP517 BP518 BP519 BP520  *  BP522 BP523 BP524 BP525 BP526
meta (see left/right), links, keyword, sideless
bp [smaller | same | bigger]
Aaron David Fairbanks
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)