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Tunnel Shipping Containers These are brand new (one-trip) shipping containers that have double cargo doors at both ends. This makes it easier for loading and unloading. It is also a great option if you are looking to build a structure that has two entry points, like tunnels or bridges. These shipping containers also come with fork pockets suitable for large industrial forklifts and at least 2 air vents to ensure a good air circulation throughout. Easy to load and unload The tunnel con