 
 When I was walking in Kaliningrad during the winter lockdown and taking photos of narrow streets, I wondered why Kaliningrad is not added to how-old-is-this.house project yet. I was about to finish my university GIS course and I decided to try applying my basic skills for making such a map. It was challenging since I had no experience.
DATA FIRST
 
 Without Rosreestr data. OpenStreetMap geometry data
 
 Rosreestr data filled in the gaps
 
 SPLITTING INTO PERIODS
 
  
 COLOR SOLUTION
 
 