Tus kws kes duab vajtse ua cov chav dej tshaj thiab qhov chaw dej da dej kom ntev li 80 m deb ntawm chaw saib, uas tseem yog lub zos "xwmfab", txawm hais tias Botta nws tus kheej hu nws ua "vaj vaj". Nws qhia txog lub pas dej Lucerne thiab Alps.
Tom qab ntawm panorama ntawm ib puag ncig, lub ntsiab ntawm qhov project yog yim iav "teeb moos soos" ntawm chav dej, ib nrab nyob hauv qab xwm. Lawv qhov sib txuam crystalline daim ntawv tso cai rau lawv ua raws li cov khoom kos duab.
Ib lub voj voos sib txuas ua ke sab xwmfab cim qhov nkag mus rau lub spa.
N. F.