BEIJING -- The Chinese Academy of Sciences treated nationwide science lovers to a two-day display of advanced experiments and research facilities at its 17th Public Science Day.

Starting Saturday, more than 100 research institutions under the academy nationwide opened their key laboratories, botanical gardens, observatories and field stations to the public.

Equipment for public view included unmanned vehicles, medical robots and quantum computer models. Some institutions conducted online and offline science popularization activities, including musical dramas, magic shows and lectures for young visitors.

Renowned scientists, science fiction writers and aerospace experts also came together for celebrating the event, which ended on Sunday.

China's highest academic institution in natural sciences, the academy has organized Public Science Day since 2004.