The Emperor Was delighted with Tulsidas and offered the Hanuman temple with an Islamic crescent Moon finial which adorns the temple spire. It is usually claimed that due to crescent moon symbol over the spire, the temple was not ruined through the Muslim rulers who invaded India at different times. https://hanumanmandirsydney.com.au/shivling-sthapana-at-hanuman-mandir-sydney-a-sacred-moment-of-divine-blessings/