climate (Köppen climate classification Dfb) with mild summers and very cold winters. Ethnic Composition Russians — 49,630 (85.29%) Kazakhs — 5,731 (9.85%) Germans — 624 (1.07%) Tatars — 588 (1.01%) Ukrainians — 567 (0.97%) Points of interest Points of interest include a local museum and a botanical garden. Sports In March 2013, Ridder hosted the World Ski Orienteering Championships. References External links Statistical information Cities and towns in Kazakhstan Populated places in East Kazakhstan Region Populated places established in 1786 Mining communities in Kazakhstan