Before breakthrough
The SR 99 tunneling machine's disassembly pit prior to Bertha's breakthrough on April 4, 2017.
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Uploaded on April 4, 2017
Taken on April 4, 2017
Before breakthrough
The SR 99 tunneling machine's disassembly pit prior to Bertha's breakthrough on April 4, 2017.
12,161
views
8
faves
0
comments
Uploaded on April 4, 2017
Taken on April 4, 2017