The fencing hall of the National Convention Center in Beijing.
At english wikipedia: <a href="https://en.wikipedia.org/wiki/User:Doma-w" class="extiw" title="en:User:Doma-w">Doma-w</a> (<a href="https://en.wikipedia.org/wiki/User_talk:Doma-w" class="extiw" title="en:User talk:Doma-w">talk</a>); <small>uploaded by <a href="//commons.wikimedia.org/wiki/User:Mankash" title="User:Mankash">Mankash</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Mankash" title="User talk:Mankash"><span class="signature-talk">talk</span></a>) 05:35, 10 September 2008 (UTC)</small>
CC BY-SA 3.0
self-made; original at <a href="https://en.wikipedia.org/wiki/Image:2008_Fencing_Hall_of_the_National_Convention_Center_2.JPG" class="extiw" title="en:Image:2008 Fencing Hall of the National Convention Center 2.JPG">en:Image:2008 Fencing Hall of the National Convention Center 2.JPG</a>