Check out some of China's more unusual museums

Saturday is International Museum Day. China is home to some unusual museums, such as this one that's dedicated to the Chinese abacus in the city of Nantong in Jiangsu Province, seen here on Friday, May 17, 2019. The abacus, called zusuan in Chinese, was listed as part of the country's an intangible cultural heritage in 2013. [File Photo: IC]