They span 75 feet, weigh 4,300 pounds and can’t move.
The four, black aluminum clouds comprising the once-mobile component of “Mountains and Clouds”—one of the final works of sculptor Alexander Calder, which dominates the Hart Senate office building’s 90-foot-high atrium—haven’t drifted for more than a decade. They once rotated at a gentle speed, but have been frozen in place for years after a bearing failed.
Now, Sen. Chris Murphy, a Democrat from Connecticut, where Mr. Calder often worked, is pushing to restore the artistic integrity of the design advanced by Mr. Calder, whose mobiles and other works often incorporated movement.