

A woman holds a placard that reads: "Save Rosia Montana, now or never", during a demonstration in Bucharest, against the government's support for a plan to open a open-cast gold mine in Rosia Montana, September 1, 2013. REUTERS/Radu Sigheti

You made this story a community favourite and we heard you. Tune in to discuss on Thursday at 19:30 GMT.

UPDATE: This story has been edited to reflect the Romanian government's 25 per cent stake in the mining project. It also adds a citation to an estimate of the country's economic gain from the mine.

A project that would use cyanide to mine gold and silver has prompted thousands of Romanians to protest.

The planned mine, near the small town of Rosia Montana would be Europe's largest open-pit mine. Its four pits are estimated to total more than 8 kilometres in diameter and would be visible from space.