The pictures show members of the research team of the Chinese Academy of Sciences (CAS) visited the institute of tropical reptile at Sao Paulo State University, Brazil July 31, 2004 and talked with their Brazilian counterparts.

Chen Guangwei, team member of the Chinese Academy of Sciences (CAS) shoots an innoxious tropical snake in a reptile museum in Sao Paulo, Brazil July 31, 2004.

Chen Guangwei talks about tropical snakes with Brazilian zoologist in a reptile museum in Sao Paulo, Brazil July 31, 2004.

(People's Daily August 3, 2004)