2013 One-track railway tunnel, , completed in 2013 Russian Railways president Vladimir Yakunin stated the road construction costed more than 200 billion rubles. In addition, Sochi's railway stations were renovated. These are Dagomys, Sochi, Matsesta, Khosta, Lazarevskaya, and Loo railway stations. In Adler, a new railway station was built while the original building was preserved, and in the Olympic park cluster, a new station was built from scratch, the Olympic Park railway station. Another new railway station was built in Estosadok, close to Krasnaya Polyana. Other infrastructure Funds were spent on the construction of hotels for 10,300 guests. The first of the Olympic hotels, Zvezdny (Stellar), was rebuilt anew. Significant funds were spent on the construction of an advanced sewage treatment system in Sochi, designed by Olimpstroy. The system meets BREF standards and employs top available technologies for environment protection, including tertiary treatment with microfiltration. Six post offices were opened at competition venues, two of them in the main media centre in Olympic Park and in the mountain village of Estosadok. In addition to standard services, customers had access to unique services including two new products, Fotomarka and Retropismo. Fotomarka presents an opportunity to get a stylized sheet of eight souvenir stamps with one's own photos, using the services of a photographer in the office. Retropismo service allows a customer to write with their own stylus or pen on antique paper with further letters, winding string and wax seal affixing. All the new sites and post offices in Sochi were opened during the Olympics until late night 7 days a week, and employees were trained to speak English. The Games Torch relay On 29 September 2013, the Olympic torch was lit in Ancient Olympia, beginning a seven-day journey across Greece and on to Russia, then the torch relay started at Moscow on 7 October 2013 before passing 83 Russian cities and arriving at Sochi on the day of the opening ceremony, 7 February 2014. It is the longest torch relay in Olympic history, a route that passes through all regions of the country, from Kaliningrad in the west to Chukotka in the east. The Olympic torch reached the North Pole for first time via a nuclear-powered icebreaker (50 Let Pobedy). The torch was also passed for the first time in space, though not lit for the duration of the flight for safety reasons, on flight Soyuz TMA-11M to the International