The correct version of these two sentences when combined is:
When we were in Europe on vacation, we usually flew on airplanes: however, sometimes we took the train.
We apply the semi-colon to indicate that they have different ideas, and that they are clauses being joined into one sentence.
The creepers in lord of the flies are actually vines that grow all over the island, which symbolize evil.
Such as when the pig is found entangled in creepers, it symbolizes how the boys will also become entangled in evil as they lose civility.
Here are a couple of options to choose from as to why Fitzgerald chose the title to be metaphoric of Paris:
1. <span>It represents the ruins of American "royalty" in Paris
2.</span><span> Paris is living in wealth that will end in destruction.
In either case, it has to do with wealth that no longer exists or is about to be depleted because of overuse and hedonism. Just like Babylon disappeared, this place is going to be gone soon. </span>