Opnions on interesting life event?

Hey everyone!!Okay so we need to wirte a multi paragraph essay on something unusual or interesting that happened in our life. I was thinking of writing about my visit to the great wall of china and I have to make it very complex with a lot og good word choice and imagery, etc, etc. Well I guess i just want to ask if that is a good topic or if I should write about something else like what...thnx 4 ur guys opinions!