Kaplan, Sarah; Ducroquet, Simon; Mount, Bonnie Jo; Hulley-Jones, Frank; Wright, Emily (11 July 2023). "Hidden beneath the surface". Washington Post. Retrieved 12 July 2023.
Kaplan, Sarah; Ducroquet, Simon; Mount, Bonnie Jo; Hulley-Jones, Frank; Wright, Emily. "Hidden beneath the surface". Washington Post. Retrieved 2023-06-23.