Is there a place in Xi 'an where Chairman Mao went to Anyuan to collect old oil paintings?

Yes Chairman Mao Going to Anyuan is an oil painting created by Liu Chunhua. An oil painting with the theme of organizing Anyuan workers' movement from Mao Zedong and holding a general strike of Anyuan road and mine workers. This painting "initiated a new era of proletarian artistic creation". During the Cultural Revolution, it had the same status as a model opera in China, and it was valuable for collection, so it was collected in Xi 'an.