We opted to hike instead of taking the train.
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At the end of the river, you can see a glimpse of the new, large hotel that welcomes you to Aguas Calientes. I didn't realize the town would be such a touristy resort town. Visitors to Machu Picchu can take the train from Cusco if they don't want to trek. I was quite surprised to see the diversity of tourists. I guess Machu Picchu is more glamorous than I thought.