The Temple of Dendur, an ancient Egyptian structure that counts among the most beloved attractions at the Metropolitan Museum of Art , will this summer host an exhibition of sculptures by the Swiss modernist Alberto Giacometti —a rarity, since the Temple of Dendur does not often act as a space for shows of any kind. The exhibition, simply titled “Giacometti in the Temple of Dendur,” is a small one, with just 17 of the artist’s sculptures. Fourteen of them belong to the Fondation Giacometti, while the rest come from the Met’s collection. Related Articles But it is being touted as a major occasion by the Met, whose wing for modern art is currently closed while it undergoes a renovation and expansion.…