The Emperor Was pleased with Tulsidas and presented the Hanuman temple by having an Islamic crescent Moon finial which adorns the temple spire. Additionally it is claimed that because of the crescent moon symbol over the spire, the temple was not destroyed because of the Muslim rulers who invaded India https://hanumanmandiradelaide.com.au/mahashivratri-celebration-at-hanuman-mandir-south-australia-a-night-of-divine-awakening/