Mérnöki csodák - Season 7 (2020) (évad)
Tartalmak(1)
Deadly avalanches and catastrophic flooding are ever-present threats at one of the world's busiest ski resorts, but new technology and cutting-edge construction methods help engineers conquer the elements to keep this mountain-top getaway safe. (Science Channel)
Galéria (14)
Photo © Discovery Networks
