Rachel Jones is an artist of the moment

WITH ITS sunlit cupola and fluted marble staircase, Ely House has long been a place of silent contemplation. In the 18th century the grand Mayfair town house was the episcopal residence of Edmund Keene, an English bishop. Since 2017 it has fostered a different kind of reverence, as one of the contemporary-art showcases run by Thaddaeus Ropac, an Austrian gallery owner. In this normally hushed environment, the sound of giggling that rang through the building on a recent afternoon was pleasantly jarring.