converted fence former home house Mawddach Picket platform railway residence station unusual wales welsh white abandoned Aboriginal-heritage architectural architecture bench-seat brick-walls building communication display disused Dumbleyung farming-area former-railway-station heritage historic historical-context history isolated Lake-Dumbleyung-Nyungar-country loading meeting-place passenger-travel photographic-record photos public rail railway-line rural town township Western-Australia mural rainwater-tank sepia discontinued hills hills-district history-village Kalamunda name seating semi-rural sign tourist-centre wooden-walls posts rails timber-transport zig-zag-railway-line