The pose is significant, in replicating the classic painting of early settlers by Grant Wood (see below).
He was a founder of the movement known as Regionalism. His work shows the influence of German and Flemish painters of the 15th Century.
His most famous painting, American Gothic was completed in 1930 and it is held in the Art Institute of Chicago.
Film fans will recall a similar pose being struck at the start of "Rocky Horror Picture Show".