The prosecution had claimed the stains were reddish when the clothes were recovered - but the defence argued that blood would have turned blackish after being immersed in miso for so long.

Discovery asked to use depicts “Blade Runner 2049” star Ryan Gosling walking away from the camera across a desolate, dystopian landscape reduced to rubble and reddish dirt.

“A lot of smoke was being whipped up, and it had this reddish hue to it. … Just for the sake of my lungs, I probably need to get out of here,” he recalled thinking.

It will appear even bigger and brighter - perhaps with a reddish tinge - as it rises or falls near the horizon.

The challenge was to dispel the research team's suspicions and confirm that the reddish liquid really was wine rather than a liquid that was once wine but had lost many of its essential characteristics.