CLEAN : Rio homeless raise voice ahead of Olympics

The video discusses a global arts and homelessness movement that began with an event during the London 2012 Olympics to give dignity and visibility to homeless people. The initiative aimed to replicate this success in Rio for the 2016 Olympics, showcasing the achievements and creativity of the homeless community. However, the transcript includes a segment of incoherent and unrelated content.

How does creativity play a role in the context of homelessness as mentioned in the text?

What challenges are implied regarding the backgrounds of homeless individuals?