His design mixed traditional Neoclassical order with irregular composition of the old Palace , crowned with various towers and tented roofs .
In the 1820s , Tyurin was assigned to rebuild the Palace .
Tyurin 's design mixed traditional Neoclassical order with irregular composition of the Palace Palace , crowned with various towers and tented roofs .
In the 1820s , Tyurin was assigned to rebuild the Palace .