Philadelphia's City Hall, Friday, September 25, 2015.
Thom Carroll/PhillyVoice
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Looking West from Philadelphia's City Hall, Friday, September 25, 2015.
Thom Carroll/PhillyVoice
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Philadelphia's City Hall from South Broad Street, Friday, September 25, 2015.
Thom Carroll/PhillyVoice
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Philadelphia's City Hall from South Broad Street, Friday, September 25, 2015.
Thom Carroll/PhillyVoice
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The 1300 block of Chestnut Street, Friday, September 25, 2015.
Thom Carroll/PhillyVoice
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Magnetometers on North Broad Street at the Pennsylvania Convention Center.
Thom Carroll/PhillyVoice
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Philadelphia's City Hall from East Market Street, Friday, September 25, 2015.
Thom Carroll/PhillyVoice
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The National Guard secures the perimeter at 24th and Poplar Streets in preparation for Pope Francis' visit to Philadelphia.
Alex Brandon/AP
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.A woman walks around a quiet City Hall in Philadelphia on Friday, Sept. 25, 2015, before Pope Francis' upcoming visit.
Alex Brandon/AP
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Philadelphia Mayor Michael Nutter waves as he walks down Market Street on his way to City Hall in Philadelphia on Friday, Sept. 25, 2015, before Pope Francis' upcoming visit.
Kevin C. Shelly/PhillyVoice
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Philadelphia police gather at a barricade in Center City.
Alex Brandon/AP
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A security checkpoint is set up in the middle of Market Street in Philadelphia on Friday, Sept. 25, 2015 before Pope Francis' upcoming visit.
Kevin C. Shelly/PhillyVoice
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A bicyclist takes advantage of empty streets in Center City.
Staff/PhillyVoice
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Nary a vehicle to be seen at 21st and Spring Garden streets this morning as security barricades have gone up.