REMOVE

1. volcanic ash, lime coating, …
2. Architecture
3. mural
4. Fine Arts Museums of San Fra …
5. 600
6. 750

WHAT

1. volcanic ash, lime coatin … (1)

WHERE

1. Mexico (1)
2. North American; Central A … (1)

WHO

1. Fine Arts Museums of San … (1)
2. Unknown (1)

WHEN

1. 600 - 750 (1)