I thought I would work on this piece that I had started last year (see posts on 08 March and 13 July 2017).

Next I used mixes of raw sienna and burnt sienna to put in the grasses at the base of the closer trees.
If you would like more information about ACEO please go to my post on 11 March 2010.
The ACEO shown here is an original watercolour painting using Artist quality Winsor & Newton paint on 140lb. Fabriano 100% cotton, acid free watercolour paper. It is priced at $20.00 and sold unframed.