Answer - It is illegal to consume, use, display, transfer, distribute, sell or grow retail marijuana at or within any park, parkway, mountain park (including Red Rocks) or other recreational facility, on any city-owned property (including streets and sidewalks) within 1,000 feet of a public or private elementary, middle, junior high or high school and on the 16th Street Mall (including any city street or sidewalk one block in either direction from the mall). Additionally, DIA prohibits possession, use, display and transfer of all marijuana on its property.