With cranes and availability of supplies (don't have to cut trees by hand), it will be much faster, however the 10's of


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By Mark on 06:50:46 04/16/19
[In reply to "Took 100 years to build the first part originally. This strikes me as a generational effort in the many 10s of billions. *" by nukem, posted at 06:46:13 04/16/19]

billions would not surprise me. Looks like most of the masonary is in relatively good shape


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