Between what they had packed with their lunches and what was stored in the mine, the men had about a week's worth of water, Murray said.

CNN: Camera lowered into mine cavity shows 'survivable space'

There has long been opposition to the prospect of a gold mine and processing plant being built at Skouries in the Halkidiki peninsula, with some residents objecting to what they say will be the destruction of the environment and of pristine forest in the area, leading to the loss of tourism and other local activities such as farming, the rearing of livestock and fishing.

NPR: Masked Intruders Raid Greek Gold Mining Company