Persons
                      
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                                                                                                  Obruchev Vladimir Alexandrovich
                                                      
                                                                                                                                                                                                                            serviceman  ,                                                                                                                                                                                                                                                   public figure                                                                                                                                                                                                 
                      
                                                                             
           
    
    
    
        
    
                                   
    
            
    
    
    
        
        
                                      
                
                
        
    
    
    
                        
    
                      
      
        
    
    
        
    
        
    
            
    
    
                    
        
                                                               
                                                                                                
                            
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                                                        Alexeevsky Ravelin 
                                                                           
                         
                        ALEXEEVSKY RAVELIN, an outer fortification of Peter and Paul fortress, situated in its western part, before Vasilievskaya curtain wall. The ravelin was named so in honour of Tsar Alexey Mikhaylovich. It was built in 1733-40 (engineer C.A. Munnich, C
                                             
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                                                        St. Peter and Paul fortress 
                                                                           
                         
                        ST. PETER AND PAUL FORTRESS, the historical centre of St. Petersburg, a monument of military engineering, the oldest engineering and architectural sight of the city
                                             
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