CLEAN : Cuban artist Tania Bruguera unveils installation at Tate Modern

The video discusses the concept of thermochromic ink, which reacts to heat, symbolizing the energy and unity of people. It then transitions to a critique of nationalism, highlighting its negative impact on immigrants and the irony of Brexit in the UK, a country that has benefited from global diversity.

In what way does the speaker find irony in the Brexit situation?

What does the speaker suggest about the contributions of immigrants to society?