Teachers and students of the Municipal Youth Palace went to the Ning County Museum for research activities Teachers and students of the Municipal Youth Palace went to the Ning County Museum for research activities Teachers and students of the Municipal Youth Palace went to the Ning County Museum for research activities Teachers and students of the Municipal Youth Palace went to the Ning County Museum for research activities Teachers and students of the Municipal Youth Palace went to the Ning County Museum for research activities Teachers and students of the Municipal Youth Palace went to the Ning County Museum for research activities Teachers and students of the Municipal Youth Palace went to the Ning County Museum for research activities Teachers and students of the Municipal Youth Palace went to the Ning County Museum for research activities Teachers and students of the Municipal Youth Palace went to the Ning County Museum for research activities