REMOVE

1. Paintings
2. 750
3. 600

WHAT

1. volcanic ash, lime coatin … (2)
2. Fresco (1)
3. Fresco. Lime plaster with … (1)
4. Mural (1)

WHERE

1. Mexico (3)
2. North American; Central A … (3)
3. North American; Central A … (1)
4. North and Central America … (1)

WHO

1. Fine Arts Museums of San … (2)
2. Unknown (2)
3. The Art Institute of Chic … (1)
4. The Cleveland Museum of A … (1)

WHEN

1. 600 - 750 (2)
2. 600 - 750 A.D. (1)
3. 600-750 (1)