“Caravaggio’s Shadow,” “Charlotte” and “Goya, Carrière and the Ghost of Buñuel” feature in the 15-film lineup of 2023’s second edition of ARCA Intl. Festival of Films on Arts, 2023, which opens Jan. 2 with the world premiere of “The Children of the Mountain,” a doc-feature portrait of Uruguayan sculptor Pablo Atchugarry from Mercedes Sader, director of ARCA. “Arts” is understood in the broadest sense. Framing two fiction movies and 14 doc features, the titles range, as programmer Sergio Fant points out, from takes on three of the greatest painters who ever lived – Caravaggio, Goya and Cezanne – to celebrated,...