I have still a few clues to solve to finish although I had sussed the shiny thing and I see posts today encouraging me to go back to this.
Help please with 3D. Tree offering shade? Go to avoid sun under one (6)
I have COO?AH
19a. Details way to Rome following detailed journey.(5)
I have ?RI??
9d. Burgeoning appearance of the cyberstate (7)
Many thanks