Complex sentence: The KCRC has adopted a combined tunnel and viaduct scheme for the Spur Line: from Sheung Shui to Chau Tau, the railway runs through tunnels, the railway then runs on viaducts until it reaches Lok Ma Chau Station.
Split into simpler sentences: The KCRC has adopted a combined tunnel and viaduct scheme for the spur line. From Sheung Shui to Chau Tau, the railway runs through tunnels, the railway then runs on viaducts until it reaches Lok Ma Chau Station.