Rescuers continue search for quake survivors after hearing noises

The video begins with a brief greeting and indicates the start of the tutorial.

What does the term 'Yahoo' signify in the context of the video?

How does the speaker's tone change from 'Yahoo' to 'Starting'?

What might the speaker be starting in the video?

What emotions could be inferred from the words 'Yahoo' and 'Starting'?

What context do you think the speaker is in when they say 'Starting'?