Walls of the New City (1654 - 1684)

Generally speaking, this kind of fortress was built in Europe in the Middle Ages, but here we are in the middle of the 17th century, the Renaissance is in full swing across the continent, the bastion system is no longer new in fortification construction, and here they are building a medieval fortress in the Old Russian style. What is this - the inertia of the monastery authorities, the lack of specialized specialists? It’s true, it should be noted that bastions are good against cannons, but dragging large-caliber siege artillery into such a wilderness was a task of overwhelming difficulty at that time...