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People walk between buildings, Tuesday, Dec. 17, 2024, on the campus of Harvard University in Cambridge, Mass. (AP Photo/Steven Senne)

People walk between buildings, Tuesday, Dec. 17, 2024, on the campus of Harvard University in Cambridge, Mass. (AP Photo/Steven Senne)

A person walks near buildings, Tuesday, Dec. 17, 2024, on the campus of Massachusetts Institute of Technology in Cambridge, Mass. (AP Photo/Steven Senne)

A person walks near buildings, Tuesday, Dec. 17, 2024, on the campus of Massachusetts Institute of Technology in Cambridge, Mass. (AP Photo/Steven Senne)

People walk between buildings, Tuesday, Dec. 17, 2024, on the campus of Harvard University in Cambridge, Mass. (AP Photo/Steven Senne)

People walk between buildings, Tuesday, Dec. 17, 2024, on the campus of Harvard University in Cambridge, Mass. (AP Photo/Steven Senne)

People walk past the John Harvard statue in Harvard Yard, Tuesday, Dec. 17, 2024, on the campus of Harvard University in Cambridge, Mass. (AP Photo/Steven Senne)

People walk past the John Harvard statue in Harvard Yard, Tuesday, Dec. 17, 2024, on the campus of Harvard University in Cambridge, Mass. (AP Photo/Steven Senne)

A person rides a scooter, Tuesday, Dec. 17, 2024, near an entrance to Massachusetts Institute of Technology in Cambridge, Mass. (AP Photo/Steven Senne)

A person rides a scooter, Tuesday, Dec. 17, 2024, near an entrance to Massachusetts Institute of Technology in Cambridge, Mass. (AP Photo/Steven Senne)