The video contains various scenes, including children starting another school year, a dance party, ice-skating, and cartoon characters. There is also music and applause heard throughout the video.
Here are the key facts extracted from the provided text:
1. The text mentions the beginning of the school year in the first grade during the summer holidays.
2. An innovative school opens in the city.
3. There's enthusiasm in the school.
4. There is mention of a desk in the school.
5. Arithmetic is mentioned in the text.
6. The text references a dance fever.
7. The mention of a laboratory work and rhyming teacher.
8. The text talks about skating and frozen rivers.
9. The children are celebrating a day with music and laughter.
10. There's a reference to a medal and an investigation.
These are the factual points extracted from the text.