Some 45,500 years ago, on the Indonesian island of Sulawesi, ancient humans ventured into a cave and sketched out the rotund form of a native pig, complete with a bristly back and face warts.

In Manhattan and across the country, restaurants are trotting out ever-pricier dishes and luxury upgrades to meet the demand from affluent diners. The suckling pig at La Grande Boucherie in New York.

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