Top of the Acer negundo, also known as ash-leaved maple with unripe double winged seeds, so-called samaras against the sky in summer sunny day

Top of the Acer negundo, also known as ash-leaved maple with unripe double winged seeds, so-called samaras against the sky in summer sunny day

Top of the Acer negundo, also known as ash-leaved maple with unripe double winged seeds, so-called samaras against the sky in summer sunny day