 One such ghost is said to be that of a worker who died after a fall during the construction of the rotunda, and who now is occasionally seen floating beneath the dome carrying a tray of woodworking tools.Another spirit is allegedly a stonemason who died (crushed to death beneath a wall which collapsed, or murdered by a co-worker) and is seen in the Old Senate chambers or passing through a wall in the basement beneath the Senate.Many politicians with strong personalities and a powerful attachment to the institution of Congress are reputed still to roam the halls of Congress long after their deaths.