Work to re-build the Borders railway line is now underway, but while bridges are built and tracks are laid, construction workers need to think about protecting the local wildlife.
The track crosses over the River Tweed, which is home to otters, protected fish and a variety of flowers.
Jenny Longden has been visiting the site to find out what is being done to keep them safe:
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Not a bad start to the week. A little chilly on Monday morning, any mist lifting quickly