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Solar Parabolic trough designed for high temperature powerplant like Andasol  in Spain
Young bull standing near the trough in the sun
old wooden trough with grain, from which feed birds and animals, closeup
A flock of sheep drink water from bathtubs  and graze in a meadow
Downspout

Free stock photostrough (21)

Repetitive abstract of many contiguous sine waves with deep troughs, for background and decoration with motifs of fluidity or sinuosityImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/repetitive-abstract-contiguous-sine-waves-deep-354588569">Image used under license from Freestock.com</a>
Abstract pattern of many contiguous sine waves with deep troughs, for background and decoration with motifs of fluidity, sinuosity, repetitionImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/abstract-pattern-contiguous-sine-waves-deep-354586748">Image used under license from Freestock.com</a>
Mathematical abstract of water reflections in harbor in the Pacific NorthwestImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/mathematical-abstract-water-reflections-harbor-pacific-202978462">Image used under license from Freestock.com</a>
Pretty lady cooking vegetablesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-lady-cooking-vegetables-243187192">Image used under license from Freestock.com</a>
Attractive young man cooking vegetablesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/attractive-young-man-cooking-vegetables-139999525">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-157776446">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-148351373">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-133983854">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-139999528">Image used under license from Freestock.com</a>
Pretty lady cooking vegetablesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pretty-lady-cooking-vegetables-134726777">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-124987178">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-134726771">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-121179097">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-121127479">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-121179082">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-121093096">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-121666414">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-121177897">Image used under license from Freestock.com</a>
Beautiful young woman cooking fresh vegetables with abstract lightsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/beautiful-young-woman-cooking-fresh-vegetables-121180360">Image used under license from Freestock.com</a>