Beeline for the Treeline

this sentence contains 2 different elements: 'beeline' & 'treeline'. It is actually a combination of an informal idiom (in english) with another landscape element // BEELİNE = The word beeline combines the words bee and line. The idea behind the word is the belief that a bee, when it is done feeding, will take the shortest path back to its hive without delay or meandering. So beeline not only has the sense of being a direct route, but also that there is some haste behind the action // TREELINE = is the point on a mountain above which trees can't grow // source-1: https://www.vocabulary.com/dictionary/beeline // source-2: https://www.vocabulary.com/dictionary/tree%20line