SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A woman feeds a giant Chinese panda at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A woman feeds a giant Chinese panda at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: Officials look at a Chinese panda in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A woman feeds a giant Chinese panda at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )

SEOUL, SOUTH KOREA - MARCH 03: A Chinese panda is seen in a glass cage at the Seoul's Incheon International Airport on March 3, 2016. A pair of Chinese giant pandas named Le Bao, a three-year-old male, and Ai Bao, a two-year-old female have arrived at the Incheon International Airport in Seoul, South Korea. ( Kim Jong Hyun - Anadolu Ajansı )