A German city before World War Two and geographically disconnected from the rest of Russia, Kaliningrad remains a mystery to many mainland Russians and their European neighbours.
How does a 50-year-old unfinished building help explain the complicated history of the city and inspire the restoration of other nearby ruins?
Video by Irina Sedunova
Produced by Anna Bressanin
#bbcreel #bbc #bbcnews
source