CLEAN : FILE of Belgian artist René Magritte's painting 'L'empire des lumières'

The video discusses the current excitement in the art market, highlighting the global interest from collectors in acquiring renowned artworks by artists like Monet, Van Gogh, Picasso, and Magritte. It details the exhibition journey of a surrealist masterpiece, which has been showcased in major cities like Los Angeles, Asia, New York, and London, with an estimated value exceeding £45 million ($60 million).

What is described as a unique aspect of the art being discussed?

Name at least three artists mentioned in the text that are highly sought after.