When the light is dim, at dusk, dawn or at night, trees seem to take on a different appearance. Their leaves are indistinct and the overall shapes take on forms of their own/personalities. I will do quick sketches of some of them here:

sketch_05.11.17_(21x13cm) Mulberry Hazel Bay profiles
sketch_04.11.17_(13x21cm)Mulberry/Hazel/Bay Profile
sketch_29.06.17_(21x13cm) Cherry Tree profile
sketch_29.06.17_(21x13cm) Liquidambar profiles