International Planetarium Society’s 22nd biennial conference hosted by Beijing Planetarium in China. The 18-m Digital Space theatre with 200 seats and the 23-m Zeiss theatre with 400 seats provide an excellent environment for vendors and planetaria to display their most up-to-date products and shows during the conference. About 800㎡ available exhibition area can be used for the vendor exhibits. Four classrooms that can hold 50-120 persons and 3 theatres with 200, 200, 400 seats will provide needs for any kind of activities.