CLEAN : Aussies plunge into river in DIY gliders for charity

The video transcript describes a festival in Melbourne where participants create aircrafts and jump into a river to raise money for charity. The speaker shares their experience of taking on water, crashing their craft, and celebrating the festival's unique activities. They reflect on their flight performance, expressing surprise at how far they jumped.

What was the purpose of the activities mentioned in the festival?

What was the speaker's reaction to their jump distance?