We had a bit of lie in today, compared to the last few days, as we were up at 7am for breakfast outside the cave. After breakfast we had a tour through a museum that one of the locals has built to explain the process and history of opal mining. The museum itself was built under ground, so we first watched a video explaining the history of opal mining in an underground movie theatre before the owner, Yani (Greek) showed us the process of cutting and polishing opals and told us a bit more about the varieties of opals, from black opals to milky white opals – the colourful opals being the most valuable. Yani then led us through a tunnel which took us down further to a depth of around 18 metres, where he has
... read more