Walking the TunnelPublished August 3, 2017 at dimensions 1500 × 1000 in Crate Walking. https://i0.wp.com/wolfhouse.com.au/wp-content/uploads/2017/08/Bolshi-3-of-3.jpg?fit=750%2C500&ssl=1 Pioneers Wilderness’s twin tunnels are meant for tunneling and climbing!