What is One Magnificent Mile?
{{Infobox building | name = | native_name = | native_name_lang = | former_names = | alternate_names = | status = | image = One Magnificent Mile June 8 08.jpg | image_alt = One Magnificent Mile | image_size = 200px | caption = One Magnificent Mile | map_type = | map_alt = | map_caption = | altitude = | building_type = | architectural_style = | structural_system = | cost = | ren_cost = | client = | owner = | current_tenants = | landlord = | location = 940-980 North Michigan Avenue Chicago IL United States | address = | location_town = | location_country = | iso_region = | coordinates_display = | coordinates_format = | latitude = | longitude = | latd = | latm = | lats = | latNS = | longd = | longm = | longs = | longEW = | coordinates = | groundbreaking_date = | start_date = | completion_date = 1983 | opened_date = | inauguration_date = | renovation_date = | demolition_date = | destruction_date = | height = {{convert|673.01|ft|m|0|abbr=on}} | architectural = | tip = | antenna_spire = | roof = | top_floor = | observatory = | other_dimensions = | floor_count = 57 | floor_area = | seating_type = | seating_capacity = | elevator_count = | architect = | architecture_firm = [[Skidmore, Owings and Merrill]]<ref>{{cite web|url=http://skyscraperpage.com/cities/?buildingID=1055 |title=One Magnificent Mile, Chicago |publisher=SkyscraperPage.com |date= |accessdate=2013-04-16}}</ref> | structural_engineer = | services_engineer =