Runner runs along the Charles River Esplanade in Boston, Mass., Tuesday, September 26, 2017.
Tightrope walker balances across a tightrope along the Charles River Esplanade in Boston, Mass., Tuesday, September 26, 2017.
Bicyclist rides his bike along the Charles River Esplanade in Boston, Mass., Tuesday, September 26, 2017.
Anna Gregoire, 19, knits outside of Kilachand Hall in Boston, Mass., Tuesday, September 26, 2017.
Anna Gregoire, 19, knits outside of Kilachand Hall in Boston, Mass., Tuesday, September 26, 2017.
Leaves fall on a Boston University campus bench in Boston, Mass., Tuesday, September 12, 2017.
Boston University’s Center for Integrated Life Sciences and Engineering is the university’s newest building to line Commonwealth Avenue, September 12, 2017
The night light falls on a Kenmore Square bus stop in Kenmore Square in Boston, Mass., Tuesday, September 12, 2017.