Seven were the strings of the lyre (unless there happened to be eight or nine), seven were the gates of Thebes, and seven were the "wandering stars" in the night sky (if you count the sun and moon). The identity of the wonders was less important than the length of their list, and indeed, additions and changes were proposed since the beginning.
Draped in vivid red fabric, the statues of Peter Burnett, William Gwin, and Francis Scott Key are transformed into ghostly silhouettes, haunting the underbelly of the Golden Gate Bridge. The striking red shrouds symbolize alarm, violence, and the systemic White supremacy that underpins their legacies.