Complex sentence: The Crown of the temple has the parameters of 3.5 metres in diameter and 2 m in height, and the whole is gilded, the head is 4.5 m tall and weighs 15 tons.
Split into simpler sentences: The Crown of the temple is 3.5 metres in diameter and 2 m in height, and the whole is gilded. The head is 4.5 m tall and weighs 15 tons.