Original sentence: It was remarkable for its numerous and long tunnels and viaducts spanning mountain valleys, running from Gloggnitz in Lower Austria to Mürzzuschlag in Styria, and passing through the area's scenery
Edited sentence: It was remarkable for its numerous and long tunnels and viaducts spanning mountain valleys, running from Gloggnitz in Lower Austria to Mürzzuschlag in Styria, and passing through some exceedingly beautiful scenery