Courses 95 to 109 — Beijing (China) — March 30 — April 4 — April 5 — April 19 — June 2 — June 11 — July 5 — July 19 — July 30 — August 3 — August 9 — August 17 — August 20 — August 22 — September 8, 2025
Teachers and students Training courses in cooperation with Beijing Planetarium
