Hint 1: Sea. Ocean, azurite, sapphire, underground rivers, sky, diamond, mithril, bluesteel, lapis lazuli, blue house blue car, blue shard Hint 2: Wait, who cares about the Blue Shard, anyway? The Blue Tree movie is coming soon!!! I wonder when will it release... I really cannot wait to get a yellow ticket for it and enter the cinema! Hint 3: The "cinema"? Well... it's not around here. Sorry. But hey, at least they finally released the release date!!! That was... wait, what was it again??? I forgot!!! I'll look for the poster again. Super sorry!