The Tweed viaduct crossing the River Tweed is an area of special conservation under EU regulations, due to the presence of protected species.
Brook Lampreys and Atlantic salmon can be seen in this stretch of the river, and protected flowers and plants grow on the banks.
Network Rail are working with Environmental Groups, such as SEPA, to make sure they disturb wildlife as little as possible while building the Waverley line.
More top news
A £7million project to make the A66 at Bassenthwaite Lake in Cumbria more flood resilient has been completed this week.
Oak Tree Animals' Charity in Carlisle have been awarded a grant of £14,872 to further develop Blackburn Woods for the community.
Spells of rain overnight will give way to a sunny day tomorrow.