Pskov city. Trinity Cathedral in the Kremlin on photos.

There is a natural combination of ancient monuments (fortified walls with towers, churches and monasteries, and merchant's chambers) and modern buildings.

It was the strongest fortress on the western border of Russia. Pskov's historical destiny as a warrior intercessor was reflected in its monuments, especially its architecture, an extraordinary, permanent, genuinely popular epic in stone. Those, who once upon a time came to Pskov bringing war and devastation, saw the invincible might of the fortress walls, the unshakable strenghth of Pskov churches. 
This fortress stands on a long, rocky promontory between the Pskova and Velikaya rivers.