Renaissance

In this picture you can see the angles surrounding a lady and a baby sitting in the chair. This painting is of Madonna and Child Enthroned with Angles. It was painted in mid-16th century.
In the second picture, it is a sculpture of Hercules beating Centaur Nesso. It is made out of marble. 
In the third picture, it is of S.Maria del Fiore. It was the Original Plan for S.Maria del Fiore. 
In the last picture, it is a women writing with the Renaissance material.