Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Semmering Railway' has mentioned 'Valley' in the following places:
Occurrence Sentence Text Source
The first runs from Gloggnitz to Payerbach stations, following the left-hand slopes of the Schwarza valley; the next section crosses the valley by taking the Schwarza viaduct to reach Eichberg Station, and the third section enters the Auerbach valley to continue through dense forest to Klamm-Schottwien station.
It then descends gradually along the right-hand slope of the Roschnitz valley, through Stienhaus and Spital am Semmering, before arriving at Mxc3xbcrzzuschlag.