In a bold crossover, the Metropolitan Museum of Art will present the slender works of 20th-century Swiss sculptor Alberto Giacometti inside its Ancient Egyptian Temple of Dendur this summer.  Made possible by a loan from the Paris-based Fondation Giacometti, Giacometti in the Temple of Dendur will showcase 17 of the artist’s sculptures within and around the first-century BCE Roman Period temple. The late artist’s foundation will loan 14 of the works for the exhibition, and The Met will contribute three works from its own collection.  The temple honors the Egyptian goddess Isis, a deity associated with motherhood, magic, and healing, and her two brothers.…