Peru is a country in South America. Its capital, and largest city is Lima.
The Simpson family (except for Bart) visited Peru when Bart discovered a tracking chip in his cell phone and put it on a bird, which turned out to be going to Machu Picchu in Peru. Marge had previously put the chip in Bart's phone to track his movements, so believing that the chip was still with Bart, Marge and Homer took Lisa and Maggie to Peru in search of Bart, while they were really following the bird. Whilst all of this was happening, Bart was at home on his own and was starting to get scared.
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