International Collaboration:

Started from my first academic experience in (located at a small city with a lot of very beautiful mountains - Trento, Italy) as a postdoc, I have constructed some stable relationships with foreign laboratories; among them, Spanish person is the longest collaborator and good friend. Now an Austrian guy is one of the closest collaborators and good friend.is also one of the closest colleagues and good friend.

2007-2008 joint project GLOBAL ILLUMINATION FOR VIDEO GAMES, Spanish Ministry of Education (PCI2006-A7-0702)

2008.10-2009.9 Senior Visiting Scholar,(also with ), Turin, Italy

2008.8-2008.12 Visiting Prof., Universitat de Girona, Girona, Spain

2005.7, Universitat de Girona, Girona, Spain