![Cheng Liu and Yixin Bao from China during their match against Niclas Noehr and Sara Thygesen from Denmark at the World Badminton Championships at Ballerup Arena, Denmark, Tuesday, Aug. 26, 2014. (AP Cheng Liu and Yixin Bao from China during their match against Niclas Noehr and Sara Thygesen from Denmark at the World Badminton Championships at Ballerup Arena, Denmark, Tuesday, Aug. 26, 2014. (AP](https://c8.alamy.com/comp/2P48B8K/cheng-liu-and-yixin-bao-from-china-during-their-match-against-niclas-noehr-and-sara-thygesen-from-denmark-at-the-world-badminton-championships-at-ballerup-arena-denmark-tuesday-aug-26-2014-ap-photopolfoto-jens-dresling-denmark-out-2P48B8K.jpg)
Cheng Liu and Yixin Bao from China during their match against Niclas Noehr and Sara Thygesen from Denmark at the World Badminton Championships at Ballerup Arena, Denmark, Tuesday, Aug. 26, 2014. (AP
![Indonesia's Tommy Sugiarto returns a shot during his match against Singapore's Derek Wong Zi Liang at the World Badminton Championships at Ballerup Arena, Denmark, Tuesday, Aug. 26, 2014. (AP Photo/Jens Dresling, POLFOTO) Indonesia's Tommy Sugiarto returns a shot during his match against Singapore's Derek Wong Zi Liang at the World Badminton Championships at Ballerup Arena, Denmark, Tuesday, Aug. 26, 2014. (AP Photo/Jens Dresling, POLFOTO)](https://c8.alamy.com/comp/2P48BWD/indonesias-tommy-sugiarto-returns-a-shot-during-his-match-against-singapores-derek-wong-zi-liang-at-the-world-badminton-championships-at-ballerup-arena-denmark-tuesday-aug-26-2014-ap-photojens-dresling-polfoto-denmark-out-2P48BWD.jpg)
Indonesia's Tommy Sugiarto returns a shot during his match against Singapore's Derek Wong Zi Liang at the World Badminton Championships at Ballerup Arena, Denmark, Tuesday, Aug. 26, 2014. (AP Photo/Jens Dresling, POLFOTO)
![Nan Zhang and Yunlei Zhao from China during their match against Riky Widianto and Puspita Richi Dili from Indonesia at the World Badminton Championships at Ballerup Arena, Denmark, Thursday, Aug. 28, 2014. ( Nan Zhang and Yunlei Zhao from China during their match against Riky Widianto and Puspita Richi Dili from Indonesia at the World Badminton Championships at Ballerup Arena, Denmark, Thursday, Aug. 28, 2014. (](https://c8.alamy.com/comp/2P484X6/nan-zhang-and-yunlei-zhao-from-china-during-their-match-against-riky-widianto-and-puspita-richi-dili-from-indonesia-at-the-world-badminton-championships-at-ballerup-arena-denmark-thursday-aug-28-2014-ap-photopolfoto-jens-dresling-denmark-out-2P484X6.jpg)
Nan Zhang and Yunlei Zhao from China during their match against Riky Widianto and Puspita Richi Dili from Indonesia at the World Badminton Championships at Ballerup Arena, Denmark, Thursday, Aug. 28, 2014. (
![Korea puts on world-class performance in men's badminton : Korea.net : The official website of the Republic of Korea Korea puts on world-class performance in men's badminton : Korea.net : The official website of the Republic of Korea](https://www.korea.net/upload/content/editImage/World_Badminton_Championships_20140831_02.jpg)
Korea puts on world-class performance in men's badminton : Korea.net : The official website of the Republic of Korea
![Yong Dae Lee and Yeon Seong Yoo from Korea during their match against Raymond Tam and Glenn Warfe from Australia at the World Badminton Championships at Ballerup Arena, Denmark, Wednesday, Aug. 27, Yong Dae Lee and Yeon Seong Yoo from Korea during their match against Raymond Tam and Glenn Warfe from Australia at the World Badminton Championships at Ballerup Arena, Denmark, Wednesday, Aug. 27,](https://c8.alamy.com/comp/2P488DB/yong-dae-lee-and-yeon-seong-yoo-from-korea-during-their-match-against-raymond-tam-and-glenn-warfe-from-australia-at-the-world-badminton-championships-at-ballerup-arena-denmark-wednesday-aug-27-2014-ap-photo-polfoto-jens-dresling-denmark-out-2P488DB.jpg)
Yong Dae Lee and Yeon Seong Yoo from Korea during their match against Raymond Tam and Glenn Warfe from Australia at the World Badminton Championships at Ballerup Arena, Denmark, Wednesday, Aug. 27,
![Japan's Reika Kakiiwa, right, and Miyuki Maeda return a shot to China's Wang Xiaoli and Yu Yang during their semifinal-match against at the World Badminton Championships at Ballerup Arena, Denmark, Saturday, Aug. Japan's Reika Kakiiwa, right, and Miyuki Maeda return a shot to China's Wang Xiaoli and Yu Yang during their semifinal-match against at the World Badminton Championships at Ballerup Arena, Denmark, Saturday, Aug.](https://c8.alamy.com/comp/2P482A4/japans-reika-kakiiwa-right-and-miyuki-maeda-return-a-shot-to-chinas-wang-xiaoli-and-yu-yang-during-their-semifinal-match-against-at-the-world-badminton-championships-at-ballerup-arena-denmark-saturday-aug-30-2014-ap-photojens-dresling-polfoto-denmark-out-2P482A4.jpg)
Japan's Reika Kakiiwa, right, and Miyuki Maeda return a shot to China's Wang Xiaoli and Yu Yang during their semifinal-match against at the World Badminton Championships at Ballerup Arena, Denmark, Saturday, Aug.
![Wei Feng Chong from Malaysia during his match against Rajiv Ouseph from Englandat the World Badminton Wei Feng Chong from Malaysia during his match against Rajiv Ouseph from Englandat the World Badminton](https://c8.alamy.com/comp/2P48BT8/wei-feng-chong-from-malaysia-during-his-match-against-rajiv-ouseph-from-englandat-the-world-badminton-championships-at-ballerup-arena-denmark-tuesday-aug-26-2014-ap-photopolfoto-jens-dresling-denmark-out-2P48BT8.jpg)