Gay and lesbian culture in the US and China

The topic is Gay and lesbian culture in the US and China”.
On the beginning of my paper, please give an introduction of the gay and lesbian culture in the world, especially in the US and China.
Then go with the gay and lesbian culture in the US.
After that, describe this culture in China.
Following that, the most important part of the paper comesthe comparison of the culture in the US and China.
At last, give a conclusion of the situations of the culture.