Filling in the access pit used to repair the SR 99 tunneling machine wsdot 1:08 9 years ago 41 161 Далее Скачать
World's most expensive breakdown? Bertha got stuck for a year under Seattle after digging 1,000ft BNews 0:51 9 years ago 989 Далее Скачать
Lowering the SR 99 tunneling machine’s front end back into the access pit wsdot 1:03 9 years ago 15 136 Далее Скачать
Disassembling Bertha: A peek inside the SR 99 tunneling machine (May-June 2017) wsdot 0:54 7 years ago 11 511 Далее Скачать
Inside the SR 99 tunnel: A short look at Bertha’s disassembly wsdot 0:45 7 years ago 13 090 Далее Скачать
