GREEN RINGS
Right, let's jump back to just before the speeches started. You may remember a stunning moment when the seeds that were planted by the athletes suddenly sprung to glorious life, forming a brilliant green version of the Olympic rings.
A central theme of the ceremony has been sustainability. As Daniela Thomas, one of the creative directors, says: “The crux of the whole ceremony is this idea of the garden. And the Olympic rings are at the heart this.”
So, how did they do it? Check out this video that explains it all...