Pioneer Hall dorms stand empty on Tuesday, Sep. 1, 2020. Superblock, which includes Frontier, Territorial, Centennial and Pioneer Halls was evacuated March 8 due to a gas odor.

Northrop Auditorium as seen on April 5, 2015.

A bomb threat was reported at TCF Bank Stadium at 1:30 p.m. on Thursday, Nov. 12.

Gophers football players sit on the sidelines during a game at TCF Bank Stadium on Oct. 3, 2015.

A view of the retail spaces available for leasing underneath Wahu apartments on Tuesday, May 30.

Former Gophers wrestling head coach J Robinson would be entering his 30th season of coaching Minnesota, but was fired Wednesday, Sept. 7, 2016. Robinson was originally put on paid administrative leave...

The men's club crew rows against the current on the Mississippi River.

Assistant Scientist Tinen Iles prepares plastinated heart for educational use beneath the Mayo Building.

A heart beats at the Visible Heart Laboratory in the Mayo Building.

University students play a game of ultimate frisbee at Van Cleve Park.

Former MSA vice presidential candidate Dione Griffin calks Northrop Mall ahead of the election.

A custodian waxes a hallway beneath the Mayo Building.

George Lacy (Monkey King) rides his longboard past Jimmy Johns in on Oak Street.

Matt Hoffman waits for the bus after getting off work at Sally's Saloon and Eatery.

An man walks from the bus stop at Wiley Hall to work at Augsburg College.

The men's club crew practices on the Mississippi River under the Washington Avenue Bridge.

Gender, Women, and Sexuality Studies sophomore Connor Wright reads notes taped to chairs representing the 1,100 college students who comity suicide nationwide in an average year Tuesday, April 16, 2013,...

The cast of Freshwater Theatre's "The Gifted Program" rehearse Wednesday, April 10, 2013, at Nimbus Theatre in Minneapolis.

University alum Nate Augsberger warms up with former teammates on the University's club team Thursday, March 21, 2013, at the Sports Dome.

Dozens of pieces of wreckage from the old 35W bridge lay in storage Monday, April 1, 2013, at a MnDOT facility in Oakdale, Minn. The bridge collapsed during rush hour on Aug. 1, 2007, killing 13 people...

Cheryl Willis plays the role of Myra during a rehearsal for Deathtrap on Tuesday, March 26, 2013, at the Jungle Theater in Minneapolis.

Athletics Director Norwood Teague holds a press conference announcing the dismissal of Men's Basketball Head Coach Tubby Smith on Monday, March 25, 2013, at TCF Bank Stadium.

The women's varsity crew practices Saturday, March 2, 2013, on the Mississippi River.

Kurt Kwan and Jeannie Lander rehearse a scene from Yellow Fever on Saturday, March 2, 2013, at Mu Performing Arts' studio space in Minneapolis.

Cast and crew rehearse former University student Benjamin Brockman's "Lepus Nacht: A Night in the Warren" on Tuesday, Feb. 26, 2013, at In the Heart of the Beast Puppet and Mask Theatre in Minneapolis....

Minnesota's Logan Storley (174) takes down Virginia Tech's Austin Gabel on Friday, Feb. 22, 2013, at Williams Arena.

Grace Gealey, left, Sun Mee Chomet, center, and Laurine Price rehearse a scene from Elemeno Pea on Sunday, Feb. 17, 2013, at Mixed Blood Theatre in Minneapolis.

Students’ Co-op members and guests gather for a Chinese New Year dinner on Saturday, Feb. 16, 2013, at the co-op.

Ryan Lear rehearses the opening scene of Walking Shadow Theatre Company's production of The Legend of Sleepy Hollow on Wednesday, Feb. 6, 2013, at the Red Eye Theatre in Minneapolis. The Legend of Sleepy...

Ertugrul Tuzcu

University of Minnesota researcher Greg Brick examines the roof of Miles Cave on Monday, Feb. 4, 2013, beneath Hastings, Minn. Brick has been exploring caves for his research since 2004.

Brick slides through the narrow "coon crawl," named after the large amount of raccoon remains there, in Miles Cave on Monday, Feb. 4, 2013, beneath Hastings, Minn.

The skeletal remains of a raccoon lay on the floor of Miles Cave on Monday, Feb. 4, 2013, beneath Hastings, Minn. Raccoons and other cave-dwelling animals contribute to elevated levels of nitrates, through...

Brick looks out from the mouth of Miles Cave on a ravine carved by the Vermillion River on Monday, Feb. 4, 2013, beneath Hastings, Minn.

Brick carefully navigates an icy cliff to reach the entrance of Mill Cave in Spring Lake Regional Park on Monday, Feb. 4, 2013, near Hastings, Minn.

Brick sifts raccoon teeth and bones from nitrate-rich sand in Mill Cave in Spring Lake Regional Park on Monday, Feb. 4, 2013, near Hastings, Minn. Brick is attempting to determine whether caves like those...

A pipistrelle bat, covered in droplets of water, hibernates in Mill Cave in Spring Lake Regional Park on Monday, Feb. 4, 2013, near Hastings, Minn. The caves maintain a relatively warm and stable temperature...

Brick prepares to descend a snow-covered slope to an entrance of Miles Cave on Monday, Feb. 4, 2013, beneath Hastings, Minn. Brick has explored around 100 caves as part of his research on saltpeter.

University of Minnesota researcher Greg Brick examines the roof of Miles Cave on Monday, Feb. 4, 2013, beneath Hastings, Minn. Brick has been exploring caves for his research since 2004.

Team USA coach Charlie Wasley played hockey for Minnesota from 1992-96. Wasley, an ice cross competitor since 2001, began coaching the USA team in 2011.

Former Gophers hockey player Brian Schack pursues Finn Paavo Klintrup through a heat during the round of 64 on Saturday, Jan. 26, 2013, in St. Paul. Schack played for Minnesota from 2006-10.