Metro Line 4 goes directly to Beijing Zoo. It's very convenient. You can visit the zoo with a horse, but the zoo usually takes a long time, and the astronomical museum needs more than half a day to watch movies (we visit the museum carefully, so it's very slow). The old astronomical museum is not very big, but there is a famous Foucault pendulum. If you buy a movie ticket, you can visit it for free. Children have seen the constellation chart for a long time and have known many constellations. There are more exhibits in the new museum, so we can allocate more time here. We watched three movies, four days in general, three days and the ball curtain were very good. It must be different to bring him here when the baby is older.