CLEAN : Berlin: 6000 green lights in solidarity with migrants in Belarus

The video discusses the impact of music and solidarity, introducing a song called 'Smile'. The speaker highlights the power of music to change and brighten someone's day, and emphasizes standing in solidarity with people at the border. The video concludes with an invitation to join in and smile.

What location does the speaker mention in relation to their identity?

What does the speaker encourage the audience to do?