Pan American Unity, a 30-ton, 74-foot-wide-by-22-foot mural by Diego Rivera, undergoes installation at the San Francisco Museum of Modern Art, May 16, 2021, where it will be on view starting Monday, June 28. A four-year, multimillion-dollar undertaking involving mechanical engineers, architects, art historians and handlers, fresco experts and riggers from the U.S. and Mexico will allow more people to see the monumental 10-panel fresco, long tucked away in the lobby of a theater at City College of San Francisco. Cayce Clifford/The New York Times. by Carol Pogash (NYT NEWS SERVICE) .- For decades the monumental 10-panel fresco by Diego Rivera depicting a continent linked by creativity has been mounted in the lobby of a theater at City College of San Francisco. There, somewhat tucked away from the art world, it has been cared for as a labor of love by a de facto guardian who has long dreamed of finding a way to allow more people to experience it. Now, after a four-year, multimillion-dollar undertaking involving mechanical engineers, architects, art historians, fresco experts, art handlers and riggers from the United States and Mexico, the 30-ton, 74-foot-wide-by-22-foot mural has been carefully extracted and moved across town to San Francisco Museum of Modern Art, where it will go on display June 28. Diego was building a metaphoric bridge between the Mexican culture and the tech culture of the United States, said Will Maynez, the former lab manager of the physics department at City College, who became the unlikely guardian ... More