lingering at the spot where Apollo's genitals were depicted.

It sounds like you're referencing a specific artwork or sculpture that features Apollo. Apollo, the Greek god of music, arts, knowledge, and the sun, is often depicted in classical art with idealized human forms, including his genitals. If there's a particular sculpture, painting, or location you have in mind, I can provide more context or information about it. Are you interested in the historical significance, the artistry, or something specific about how Apollo is portrayed?