Ow does carnival reflex the culture from where it comes from? And Consider the nature of carnival?

This essay is in 2 parts first How does carnival reflex the culture form where is comes from?
Looking at 3 countrys: Carnival of Veneza, Notting Hill Carnival and Australian Carnival Mardi Grass. 1000 words
And second part is:Consider the nature of carnival? lookig General religious, social function and etc…. 1000 words.
Please i need some pictures on de essay.
Many thanks
Havard system