One of the Elements of the Architecture of Any Building Is the Staircase. This element is Mandatory, it complements The Overall Architectural Plan, Betrays CompleTens to the Object. There are external stars in almost Any House. These are Entrance Stairs, As Well as Stars Connecting Floors or Employees for Household Or Emergency Needes. What Form This Staircase Will Depend on the Plan of the Architect Itself, The Features of the Project of the House. There are Several Types of Stairs: Semicircular, Curved, Rectangular and Oval. The Shape of Stairwells Depends on this.