Ted Nash was influenced by Monet's famous series of huge paintings of water lilies.

VOA: special.2010.03.24

The effect is of looking into a pool, as if Frankenthaler were painting her response to one of Claude Monet's water lilies.

WSJ: Helen Frankenthaler | Push Past Abstraction | By Eric Gibson

But visitors found paintings including Monet's Water Lilies and works by Picasso, Klimt and Henry Moore replaced by the message, while the details of some rooms would not load at all.

BBC: Art vanishes from Tate website