The triennial General Assembly of International Astronomical Union (IAU) is held in Prague, Czech Republic, from August 14 through 25. This meeting is drawing much public attention in relation to the proposal of a new definition of planetsE Japan, North America, and Europe jointly set up an ALMA booth at the assembly. The picture shows Massimo Tarenghi, ALMA Project Director, Al Wootten, North American Project Scientist, and Seiichi Sakamoto, Associate Professor at ALMA-J Project Office, answering the questions from other researchers in the exhibition area.