This exhibition provides an in-depth introduction to the resistance activities of the Dongjiang Column (East River Column) in both Shenzhen and Hong Kong, recounting the arduous years when these two blood-related brother areas stood together against Japanese aggression, aiming to enhance understanding of the history of the War of Resistance among residents of both areas and visitors from around the world, commemorate the national spirit of the martyrs of the East River Column, and continue the noble patriotic spirit of defending the country.