v-d scratches on the trunk. concept of bark scraping or tapping of pine resin

vshaped scratches trunk bark scraping tapping pine resin forest tree plant nature chipping dry hacking mature resinous scratch spruce wood damage extraction texture landscape industry incising coniferous sap method incision grooved wound symmetric carving furrow groove inflicting close circumference old environment pattern conifer textured forestry collect detail pinaceae v-shaped trunk concept