CLEAN : Hockney eyes new kind of picture in London show

The video discusses an artist known for innovative photography techniques, creating photomontages that resemble paintings. The artist's work is unique and has a significant impact on the art community. The artist is dynamic, constantly evolving, and expected to explore new directions in the future.

What elements does the artist photograph closely as mentioned in the text?

In what way does the artist's approach to his work evolve over time?