CLEAN : Ai Weiwei holds piano performance at Greek border

The video discusses the journey of a pianist who stopped playing due to a metaphorical wall. It highlights the role of art in expressing human emotions and overcoming barriers, including political ones, emphasizing the unifying power of art and its impact on humanity.

Why did the pianist stop playing for three years?

How does the text describe the role of art in conveying messages to the world?

What is meant by 'overcome the wall the humanity' in the context of the text?

What does the text suggest about the relationship between art and human emotions?

What challenges does the text imply artists face in relation to politics?