We use ~Present Continuous~ to talk about a temporary situation.
We use ~Present Simple~ to talk about permanent situation or states.
We use ~Present Continuous~ to talk about a changing situation.
We use ~Present Continuous~ to talk about what people/things are like.
We use ~Present Simple~ to talk about what people possess.
We use ~Present Continuous~ to talk about personal arrangements or fixed plans for the future.
We use ~Present Continuous~ to describe what is happening in pictures and photos.