Soshitsu XVI Sen (2nd R), Iemoto (head) of Urasenke, one of the main schools of Japanese tea ceremony, prepares green tea for German President Christian Wulff (C), Japanese ambassador to Germany Takahiro Shinyo and his wife Yuko (L) during a tea ceremony at Bellevue Castle in Berlin, June 10, 2011. The ceremony marks the 150th anniversary of friendship between Germany and Japan. REUTERS/Fabrizio Bensch (GERMANY - Tags: POLITICS)