It seldom rains and the terrain is arid. The fields are irrigated from rivers which are composed of snow melt
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/42458171@N04">motingey</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/42458171@N04/3968417561/">melting snow - the river source</a>