Rousseau Henri (nicknamed The Customs Officer) (1844 Laval – 1910 Paris) – Centenary of Independence (112x157 cm) 1892 J. Paul Getty Museum

The picture has something of this: people, child, woman, fun, man, group, tree, happiness, celebration, summer, grass, party, girl, many, festival.
Perhaps it’s a painting of a group of people dancing in a field with a tree in the background and flags in the foreground and a blue sky.