 Complete the following phrase:  The museums original collections were procured by the Society for the Study of the Amur Region during the period between the museums establishment in 1884, and its opening in 1890. These original collections focused on the regions history, ecosystem, and the indigenous culture of the region including an exhibit dedicated to the traditions of the indigenous people of Primorye. Exhibits established since the museums inception include collections centered on the Russian conquest and exploration of Central Asia and 