The aerial gossamer is intertwined with thin threads between the twigs of the thuja shrub. Beautiful background of the texture of thuja leaves. Thuja close-up. Background of thuja branches. Close-up of the beautiful green leaves of Thuja trees. Twigs of thuja, Thuja occidentalis is an evergreen coniferous tree. Platycladus orientalis is also known as Chinese thuja, oriental thuja.