Real English Vocabulary: Light at the End of the Tunnel #shorts

The video discusses a fun experience with kids going through a tunnel, highlighting Jacob's love for the echo. It then explains the metaphor 'light at the end of the tunnel', which signifies hope and solutions to problems. The video concludes with a positive note and a view of the river.

What does Jacob do when he goes through the tunnel?

What positive message is conveyed by the saying 'there's light at the end of the tunnel'?