President Obama speaks at the Field House on April 25, 2012 in Iowa City, IA. (Photo by Sumei Chen)

UI senior Victoria Watson, majoring in Health and Human Physiology, knits a multicolored sweater for a tree as part of the Iowa City Downtown District Tree Hugger Project on the Washington Street in Iowa City, Iowa on Sunday, November 4, 2012. Local volunteers came downtown to cover more than 130 trees with knit art. (The Daily Iowan/Sumei Chen)

Iowa City, IA- A participant take a video when President Obama speaks on student debt at the Field House on April 25, 2012. (Photo by Sumei Chen)

Iowa City, IA -People gather on the roof of the Van Allen Hall at UI to watch the transit of Venus on Tuesday, June 5, 2012. Special solar telescopes were set up. This is the last chance to see the transit of Venus until 2117. (The Daily Iowan/Sumei Chen)

Iowa City, IA - Adeline Bradley (11) makes skirts under Alisa Weinstein's guidance on Monday, June 11, 2012. The Fashion Design Camp: Skirt Workshop is held in the Home Ec Workshop located in downtown iowa city. (The Daily Iowan/Sumei Chen)

Iowa City, IA - Gary Leonard spends time with his parrots, Jack (left) and Bob, on Pedestrian Mall on Sunday, June 17, 2012. (The Daily Iowan/Sumei Chen)

Iowa City, Iowa- Yi Wei Zheng (right) and Jimmy Le fish near the Burlington Street Dam on Sunday, July 1, 2012. The Burlington Street Dam may be turned into a recreation facility in the coming years. (The Daily Iowan/Sumei Chen)

Iowa City, IA- Belle Plaine Nursery staff, Brett Weisskopf and Lloyd Thede work on replacing broken blocks in T. Anne Cleary Walkway on Wednesday, July 18, 2012. (The Daily Iowan/Sumei Chen)

Iowa City, IA- Workers from Iowa City Water Division try to fix a broken water main near the intersection of Burlington and Dubuque St. on Tuesday, July 17, 2012. (The Daily Iowan/Sumei Chen)

Chuck Miller (left) and Mark Craiglow play chess in Room 211 at Johnson County Senior Center in Iowa City, Iowa on Wednesday, September 19, 2012. The Gray Knights Chess Club meets 6:30-8:30 p.m. on Wednesdays. (The Daily Iowan/Sumei Chen)

Douglas Nye stocks shelves at New Pioneer Food Co-op in Iowa City, IA on Thursday, September 13, 2012. (The Daily Iowan/Sumei Chen)

Merci staffer Rachel Laton walks out of the Merci in Iowa City, Iowa on Wednesday, September 26, 2012. Merci is a consignment store that reopens this month. (The Daily Iowan/Sumei Chen)

Pastor Wen-Yau Hsieh baptizes UI student Yahong Ding in the Chinese Church of Iowa City in Iowa City, Iowa on Sunday, 25, 2012. Eight people got baptized in that morning. This church provides service of baptism around Easter and Thanksgiving every year. (The Daily Iowan/Sumei Chen)

UI students practice calligraphy at the Asian Pacific American Cultural Center in Iowa City, Iowa on Monday, October 22, 2012. The event, Explore Asian Cultures: China, was put on by the Asian American Coalition. (The Daily Iowan/Sumei Chen)

Anti-Nuclear demonstration on March 9, 2013 in Taipei, Taiwan (Photo by Sumei Chen).