tummo

— Following a 72-minute immersion in ice in front of the museum on Jan. 26 by Wim Hof, the Dutch-born practitioner of tantric tummo meditation who is known as the Iceman, the tally of people who bought tickets to the museum (and its shows on the art of the Bon, a shamanistic group living in the Himalayas and Central Asia, and the photographs of Bhutan by Kenro Izu), was 997, Mr. McHenry said, adding, “And who knows how many stopped to watch as they walked by outside?”