It depicts about twenty pop culture luminaries who are now no longer with us. These include Carrie Fisher, Heath Ledger, Leonard Nimoy (Spock) and Christopher Reeve.
Looking at it, realized I could identify most of the stars shown and that the majority were American. Yet I've lived in Australia all my life!
This really confirmed the enormous cultural power of Hollywood. The "dream factory" has managed to infiltrate our minds whether we like it or not.