Mountain system (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mountain system</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for andes that I've seen before include "Danes seen in mountains" , "World's longest mountain range" , "A geographical feature" , "Mounts" , "South American mountain chain" .)
(Other definitions for urals that I've seen before include "Mountains on the boundary between Europe and Asia" , "Mountains of Western Russia" , "Mountains of west-central Russia" , "Russian mountain range" , "mountain area" .)