Svicarska studija o poklonjenom starom zeljezu Sarajevu, koje ce Sarajevo kostati samou investiciji identicnu sumu kao Skoplje za potpuno novu zicaru iste duzine. Why we need a new cable car up to Hannig? They can not be renovated? There are three cable car of the type "Grächen Hannialp" in Switzerland. Two are in Grächen. A renovation of this facility would come to be very expensive because the parts need to be custom built. With the existing engine performance, the frequency can not be increased. In addition to a renovation a long-term reliability would not be guaranteed. For this reason, necessarily imposes itself on a new building.