RIKEN president Prof. Akito Arima and the VAEC director general Nguyen Tien Nguyen shake hands after exchanging the signed agreements on scientific cooperation between RIKEN and VAEC while Dr. H. Kamitsubo, Dr. Sakauchi, Dr. H. Yabuki, Dr. Tran Thanh Minh and vice-minister of Science Tecnology and Environment Dr. Chu Hao look on.