13a. Old cave in significant area (5) -NTAR.
22a. Plant that's yellow to a degree (5) -RPI-.
33a. Kind to show embarrassment, needing to hide hint of red (5) -E-RE.
15d. Put in new design, new art form with inner energy (8) RE---MA-.
25d. Group of civilians in ancient city (5) ILI--.