The project of an EAS Cherenkov array in the Tunka valley/Siberia with an area of about 1 km^2 is presented. The new array will have a ten times bigger area than the existing Tunka-25 array and will permit a detailed study of the cosmic ray energy spectrum and the mass composition in the energy range from 10^15 to 10^18 eV.
@article{arxiv.astro-ph/0411218,
title = {The Tunka Experiment: Towards a 1-km^2 Cherenkov EAS Array in the Tunka Valley},
author = {D. Chernov and N. Kalmykov and E. Korosteleva and L. Kuzmichev and V. Prosin and M. Panasyuk and A. Shirokov and I. Yashin and N. Budnev and O. Gress and L. Pankov and Yu. Parfenov and Yu. Semeney and B. Lubsandorzhiev and P. Pohil and V. Ptuskin and Ch. Spiering and R. Wischnewski and G. Navarra},
journal= {arXiv preprint arXiv:astro-ph/0411218},
year = {2010}
}