At a beach in San Francisco. (2008, San Francisco, CA, USA)
  
Grand lake at Rocky Mountain. (2008, Rocky Mountain, CO, USA)
  
Leaving Austin. (2008, Austin, TX, USA)
  
With my advisor, Prof. Allan MacDonald at Boulder summer school. (2008, Boulder, CO, USA)
  
Final defense talk. (2008, Austin, TX, USA)
  
In front of the White House. (2008, Washington D.C., USA)
  
Thames river in London. (2007, London, UK)
  
Louvre museum in Paris. (2007, Paris, France)
  
Checkpoint Charlie in Berlin. (2007, Berlin, Germany)
  
2007 APS march meeting. (2007, Denver, CO, USA)
  
Eemerging Themes in Physics workshop. (2006, Austin, TX, USA)
  
The 4th Windsor Summer School on Condensed Matter Theory. (2007, Windsor, UK)
  
2nd place in 2004-05 UT intramural soccer league. (2004, University of Texas at Austin, TX, USA)
  
1st place in UT Red Devil's cup soccer matchs. (2007, Austin, TX, USA)
  
Among the pro-Israel rally. I hope someday they rally again for the sufferings of Palestinians and the peace in the middle-east. (2004, New York, USA)
  
UN General assembly. (2004, New York, USA)
  
Oasis restaurant. (2004, Austin, TX, USA)
  
In my office. On the blackboard, I'm teaching Korean(Hangul) to Ion,
my office mate. (2003, University of Texas at Austin, TX, USA)
  
Came to the United States. (2001, San Antonio, TX, USA)
  
Alamo Fortress.(2001, San Antonio, TX, USA)