Vector seamless background with hand drawn railroad objects: wagons, semaphore, railway station clock, locomotive, barrier, tunnel. Transport shipping delivery or travel concept 矢量与手绘铁路对象无缝背景: 火车站的时钟、 货车、 信号量、 屏障、 隧道、 机车。交通航运交货或旅行为您的设计概念