Travel and holiday 2

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On board

I often fly to Chile on business. I always choose an seat, so that I can get up and walk around more easily.
Sometimes there is when the plane flies over the Andes, which I don't enjoy, and the tell the passengers to put their on.
There aren't any to Chile from London, so I usually have to get a in Madrid. Whenever I take I always suffer from because of the time difference and I feel tired for several days.