REMOVE

1. dishes (vessels)
2. Shanghai bo wu guan

WHERE

1. China (nation) (2)
2. Shanghai, China (2)

WHO

1. unknown Liao (1)
2. unknown Ming (1)

WHEN

1. 10th century (1)
2. 11th century (1)
3. 12th century (1)
4. 16th century (1)
5. Liao (1)