December 2020) Amount in m 3 of built-in concrete 40,000 m 3 Total excavation 110,000 m 3 Eiger glacier / Eiger Express mountain station Rock removal: 27,000 m 3 Rock excavation: 23,000 m 3 Number of tonnes [...] three countdown clocks are located in the heart of Interlaken on the Höhematte, in Grindelwald on the Eiger + Nordwandplatz and at over 2000 metres above sea level at Kleine Scheidegg station. The 700 days [...] concrete work is time-critical. In Grindelwald Grund, this must be completed by July 2019, on the Eiger Glacier by the end of 2019. The construction of the car park in Grindelwald Grund begins in spring