Good example of large water feature in an alpine setting done well. Stones and boulders should be of the same rock type/color and weathering, and be planted in such a way as to suggest they are the weathered portion of a massive formation just below.
21 DIY Greenhouses with Great Tutorials: Ultimate collection of THE BEST tutorials on how to build amazing DIY greenhouses, hoop tunnels and cold frames! Lots of inspirations to get you started! - A Piece of Rainbow (outdoor flower planters)