A 25-year public health study in the north of this region used a community intervention model to cut heart disease rates from what had been the highest in the world in 1972. A large type of spitz bred to harry bears in this region is appropriately named the Bear Dog. The 22-dome Church of the Transfiguration is the centerpiece (-5[1])of an all-wood religious complex built on an island in this region in the 18th century. Koli National Park became a tourist destination during a late (*) 19th-century romantic revival that promoted the folk culture of this region, which provided subjects for painters like Louis Sparre and Akseli Gallen-Kallela. During his fifteen years of collecting runic songs on field trips mostly taken in this region, Elias Lönnrot published Kanteletar and the Kalevala. For 10 points, Lake Ladoga (10[1])is on the southern border of what historical region split between Finland and Russia? ■END■