Original sentence: It nonetheless requires a certain level of nerve to navigate the long dark tunnel, and a torch is essential.The other bore is best avoided however, it has not been made safe and there is no way to exit the other end.The other bore of the tunnel is reached easily from the right of way allowed through local land, and the protective gate at that end is often open.The tunnel is easily navigated on foot or by cyclists, and the open bore has been effectively restored.The tunnel is nonetheless an interesting visit for anyone interested in railway architecture
Edited sentence: The other bore is sometimes accessible from one end but unsafe.The tunnel is easily navigated on foot or by cyclists, and the open bore has been effectively restored but is unlit