REMOVE

1. reliefs (sculptures)
2. architecture (object genre)
3. 10th century

WHAT

1. rock carvings (7)
2. architectural elements (6)
3. religious buildings (3)

WHERE

1. Mexico (nation) (8)
2. Yucatán (state) (8)
3. Chichén Itzá (6)
4. Uxmal Ruins (deserted set … (2)

WHO

1. unknown Maya (8)
2. Toltec, unknown (6)
3. unknown Itzá (6)

WHEN

1. Maya (8)
2. 9th century (7)
3. Itzá (style) (6)
4. Toltec (6)