A visit to the Alhambra led this 20th c. Dutch artist to optical oddities like water that flows up as well as down
ARTIST CALLED SOME OF HIS PAINTINGS, "HAND-PAINTED ..... 
A VISIT TO THE ALHAMBRA LED THIS 20TH-C. DUTCH ARTIST TO OPTICAL 
ODDITIES LIKE WATER THAT FLOWS UP AS WELL AS DOWN, M.C.