Chicago will occasionally close three of downtown’s busiest streets this summer, clearing the Mag Mile, LaSalle and State for dining, entertainment

South LaSalle Street, photographed from the fourth floor of the Chicago Board of Trade building, is seen Feb. 22, 2018, in Chicago. Workers on some Tuesdays this summer and fall will be able to eat lunch on the street in front of the Board of Trade building at the southern end of the LaSalle Street canyon, the city announced June 10, 2021. (John J. Kim / Chicago Tribune)