Arches at Penn State's West Commons frame the changing seasons on October 16, 2014. / Photo by Mary Clarke

An occupied hammock hangs from trees on the north side of campus Thursday, October 16, 2014. / Photo by Gabrielle Mannino

Industrial engineering students Alexandra Leon Ung, left, and David Campos have a conversation on the Pattee Mall outside Carnegie Building on Thursday, October 16. / Photo by Akash Ghai

Fall colors accent the Music Building Plaza Fountain October 16, 2014. / Photo by Aly Young

Chris Noone, a sophomore majoring in environmental systems engineering, sits on a bench outside the Electrical Engineering East Building Thursday, Oct. 16, 2014. Noone is in Army ROTC. / Photo by Emily Chappell

A leaf floats in the pond near the Hintz Alumni Center on Thursday, October 16, 2014. / Photo by Kristen Giannopoulos

The bell tower of Old Main is framed through autumn foliage on Thursday, October 16, 2014. / Photo by Sophia Hubler

An imprint from a fallen leaf is seen on the steps of the Carnegie Building on campus October 16, 2014. / Photo by Ateeq Alhameli

The change of seasons is evident at the Lion Shrine October 16, 2014. / Photo by Jason Coppola

Fall foliage on Pattee Mall October 16, 2014. / Photo by Rebecca Lindenberger

Passersby get the attention of a squirrel October 16, 2014. / Photo by Ateeq Alhameli

A leaf blower is used to clear leaves on the University Park campus October 16, 2014. / Photo by Ateeq Alhameli

A lone student walks through the fall foliage on Pattee Mall October 16, 2014. / Photo by Luke Smith