Woodland sculptures: carefully groomed moss art in the Lost Gardens of Heligan (England). Side note: Moss obtains nutrients from the air because they have no true roots. Plants require nothing more than shade, acidic soil, and adequate moisture to flourish.
This is self-knowledge, awareness. We can't go anywhere in life if we are controlled by our feelings, which come and go based on circumstances. "Moving on" is the ability to see the need to take control of our emotional lives, to understand the context of our emotions. "Why did you feel what you did?"