Haunted Spirits

They once lived here on Hudson River shores; Lenape Indians of long ago. Beneath our home, an underworld with scores of spirits, that perhaps, still here abide. An arrowhead was found and brought inside, and, from that day, they've wandered to and fro. For years we've seen the shadows down our hall and darting figures rushing past each door. A fan that starts to whirl, and that's not all- lamps light and dim at will in random rooms. To know that they once lived here, one assumes their spirits are entrenched forevermore. No harm has come to us, just puzzling, though, in never knowing why this came to be, except that tribes once lived here long ago; their roaming spirits making sure that they impress us with each unexplained display; they lost their land- yet spirits still run free.