Was muß man an einer Bahn auffrischen, die erst vor zwei Monaten gelegt wurde? Zitat aus Wikipedia:
Zitat:However, a new surface at the Letzigrund Stadium in Zurich was developed in 2014 by Swiss company CONICA. The existing track will not be replaced but retopped on 12 June 2014 with CONICA's new surface, the triple-layer CONIPUR M.
Valar aus is.
