Answer: Simile
Explanation: Simile is a figure of speech used for making comparison between two things with the aim of giving a more lucid, interesting or clearer meaning of the scenario. Simile expressions are used to compare one word with another using 'like' or 'as' to link both words together. In the question above, comparison is made by relating the work done by each team member to that of a mountaineer climbing the world highest peak.