Princess Maha Chakri Sirindhorn (R) of Thailand writes notes while International Rice Research Institute (IRRI) director..

Princess Maha Chakri Sirindhorn (R) of Thailand writes notes while International Rice Research Institute (IRRI) director general Robert Zeigler (L) talks during a tour at the International Rice Research Institute in the town of Los Banos, Laguna province south of Manila on November 17, 2009. Princess Sirindhorn is here to lead in the celebrations of the institute's 50th anniversary.






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