I'm using manga to learn some grammar and the following sentence came up.

> オレは旅をし世界をめぐっていると…

I can't figure out why し is being used. I know it can be used for listing and
such, but being next to を particle confuses me.
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2020-11-25T01:07:10.390
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2020-11-25T04:27:02.940
2020-11-25T04:27:02.940
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renyōkei
The use of し in this sentence