Navy Lt. j.g. Chey Min-jung (C), the second daughter of SK Group Chairman Chey Tae-won, salutes during a ceremony at a naval base in the port city of Busan on Dec. 23, 2015, to welcome home the 19th contingent of the 300-strong Cheonghae unit. The unit arrived at the port of Busan after completing a six-month stint in the Gulf of Aden aboard the destroyer, Chungmugong Yi Sun-shin, to combat pirates operating in waters off Somalia. (Yonhap)

South Korean fishing boat Sun Star is seen surrounded by thick ice in the Antarctic sea on Dec. 19, 2015 in this photo provided by the Ministry of Oceans and Fisheries. (Yonhap)

A gorilla is spotted climbing up Seoul Tower on Dec. 18, 2015, an art balloon in the shape of the herbivorous ape, that is. YTN, a cable news channel that owns the tower, installed the piece for the opening of the tower after renovating the lower floors to house cultural and commercial facilities. The structure had been limited to public access for decades before 2012 when it was used as a transmission tower for broadcasting stations. (Yonhap)

Head of South Korea’s ruling Saenuri Party Rep. Kim Moo-sung (third from R) poses for a picture with party members and supporters before the start of a mountain climbing event in the southern port city of Busan on Dec. 19, 2015 to mark the party’s victory in the presidential election three years earlier. (Yonhap)

A group of soldiers practice ballet exercises during a class taught by Kang Sue-jin, chief of the Korean National Ballet, at the Seoul Arts Center on Dec. 17, 2015, as the ballet group opens voluntary ballet lessons to soldiers, who are serving at general outposts in heavily fortified front-line regions facing North Korea. Since July this year, the group has provided those soldiers with the service, so that they could relieve stress arising from their duty and gain psychological stability. (Yonhap)

South Korean speed skater Lee Sang-hwa smiles during an interview at Incheon International Airport on Dec. 15, 2015, after returning from the fourth leg of the 2015-2016 International Skating Union Speed Skating World Cup in the Netherlands. Recovering from knee injuries, Lee, a two-time Olympic gold medalist, has won four of the eight 500 meter races and leads other female skaters in points at the World Cup. (Yonhap)

A major overpass in central Seoul that connects Toegye-ro Street, east of Seoul Station, to the south was permanently shut down on Dec. 13, 2015, after 45 years of service due to safety reasons. The city of Seoul plans to create a public park on the overpass. (Yonhap)

South Korean and U.S. soldiers set up a floating bridge during a river crossing operation as part of a joint military exercise on Dec. 10, 2015, in Yeoncheon, just south of the inter-Korean border, on Dec. 10, 2015. It was the last day of the exercise by the two allies that began on Dec. 1. (Yonhap)

Han Sang-gyun (L), chief of an umbrella union, walks out with Ven. Dobeop from a building at Jogye Temple in Seoul on Dec, 10, 2015, to turn himself in to the police. Han has been taking shelter at the temple since Nov. 16 after police sought to arrest him on suspicion of organizing a mass rally on Nov. 14 that turned violent. The police were about to force their way into the temple to arrest Han, but after talks with Jogye officials, Han decided to end his refuge. (Yonhap)