landwasser viaduct over river, filisur, switzerland. it is landmark of swiss alps. red train runs on high railroad bridge in

albula alpine alps amazing architecture attraction bernina blue bridge day destinations europe famous filisur glacier gorge high landmark landscape landwasser landwasserviadukt mountain nature nice outdoor panorama panoramic rail railroad railway red rhaetian river road scenery scenic sky summer sunny swiss switzerland tourism tourist train transport transportation travel vacation viaduct view