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Our latest YouTube video 🎥 shows how habitat is being created on London’s northwestern edge with three million tonnes of chalk excavated during construction of the line’s 10-mile-long tunnel. The scheme, known as the Colne Valley Western Slopes project, will see 127 hectares of former agricultural land restored to biologically diverse grassland, reminiscent of the rare chalk downlands that are found in pockets across the Chiltern Hills. Lying on either side of the railway, the newly landscaped area straddles is being seeded with a variety of plants that thrive in chalky soils, including kidney vetch, greater knapweed and sainfoin. Watch it here: https://lnkd.in/ejyi6Ggn #Environment #Ecology #HS2 Align JV