CLEAN : London mayor talks air pollution with Delhi school children

The video tutorial begins with an apology for a phone interruption and a discussion about PM times, exploring the differences between 10:00 PM and other PM times. The speaker then mentions a school in London and describes a farewell routine involving high fives. The video concludes with expressions of gratitude and thanks to the participants.

What is the speaker's inquiry about the PM?

How does the speaker describe the difference between two times?

What does the speaker mention about Townsend primaries?

What action does the speaker perform when going to school?

What does the speaker express gratitude for?