<sod >The full festivities will see 1,200 guests travel to open up the tunnel Ã¢ÂÂ and will cost about Ã¢ÂÂ¬8m in all.< eod>< sod > The full festivities saw 1,200 guests travel to open up the tunnel Ã¢ÂÂ watching dancersÃÂ dressed as miners and one angel wearing a huge baby mask.< eod>