The community is invited to help local artist Ryan Feddersen create a chalk mural of 900 horses in the Spokane Tribal Gathering Place plaza, north of City Hall, to commemorate U.S. Army Col. George Wright's slaughter of local tribes' horses in the late 1800s. All ages are welcome. June 20-28; Fri-Sun 10 am-4 pm, Mon-Thu, 12-4 pm.