![A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy](https://c8.alamy.com/zooms/6/dc4d714eee38411093d702d9907e0fdb/w90bda.jpg)
A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy
![A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy](https://c8.alamy.com/zooms/6/e560766cc88343119b54427fe908abcb/w8xg22.jpg)
A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy
![A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy](https://c8.alamy.com/zooms/6/31159ea17efe47e8a6cd362a015302c2/w8xg0r.jpg)
A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy
![A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy](https://c8.alamy.com/zooms/6/7c51a659de084008803f5e0d7fdd5c92/w8xg0k.jpg)
A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy
![A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy](https://c8.alamy.com/comp/W8XG21/a-pedestrian-walks-past-an-advertisement-of-nike-with-the-portrait-of-chinese-tennis-star-li-na-in-shanghai-china-26-january-2014-li-na-is-confid-W8XG21.jpg)
A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy
![A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy A pedestrian walks past an advertisement of Nike with the portrait of Chinese tennis star Li Na in Shanghai, China, 26 January 2014. Li Na is confid Stock Photo - Alamy](https://c8.alamy.com/zooms/6/8fa0cc4873154097a0045d2bb489c470/w8xg25.jpg)