Here are my luminous mini landscapes from the class, plus the warm up exercise.

I find these color mixing studies are a really good stress-free way to get a feeling for getting a feel for water ratio and how pigments interact, plus you don't have to achieve anything when you paint them. Just put down some paint, and observe and let the pigments mingle.

 

The three landscapes from the demos:

Cityscape at dawn (this is actually Venice <3 ):

 

Hills in Fog:

 

River at Dawn:

 

You can find the references I used and the specific colors from my palette in the PDFs in the resources section.