Russia, and other places. J-1 visa kids come over for 4 months. Theoretically a "Cultural Exchange" they come to work for the summer. Summer Work Travel | Programs | J-1 Visa
Summer resort area, they usually work for hotels and restaurants.
When they work on my shift, they become "my kids". I usually have 1 maid and 1 houseboy at night. I take care of them pretty well; I take them fishing and get to take them around to see the area. Of course we work at night and on weekends and holidays so we miss a lot. When it's slow we can sit and talk and they tutor me.
And watch baseball.