A giant, white shipping container has dropped in the middle of The Rocks and it's freaking Sydneysiders out.
Which, yes, sounds ridiculous BUT if you go inside the box - an art installation called Séance - you'll be plugged into headphones, plunged into darkness and made to feel like you're about to fall into Sydney Harbour.
The 15-minute sensory experience has been described as "disorienting" and "deeply unsettling", with some participants admitting that they had to take their headset off halfway through.