The reservoir of Emosson Lake in the canton of Valais, Switzerland, Europe

photography horizontal reservoir emosson lake canton valais switzerland europe day outdoor building building exterior lake water high angle view fuel and power generation curved architecture wall local landmark incidental people scale tree reflection places of interest colour image colour color image color travel destination travel destinations travel architectural horizon horizons high angle elevated view from above looking down landmarks incidental people background people people in the background reflecting reflected arches arched