An Iberian black pig forages in a wide green field in Membrio, near Caceres on January 18, 2021. - The Spanish Jamon Iberico (Iberian ham) is the name which is given exclusively to hams from the Iberian pig, or Black Iberian breed. The secret of the Iberian ham taste is down to the pigs diet of acorns. (Photo by Gabriel BOUYS / AFP)