Nfrastructure:
1928_02-erecting-towers_01
Nfrastructure:
1928_02-gwb-erecting-towers_02
Nfrastructure:
1929_03_gwb-building-footbridge_01
Nfrastructure:
1929_03_gwb-building-footbridge_02
Nfrastructure:
1929_03_gwb-building-footbridge_04
Nfrastructure:
1929_03_gwb-building-footbridge_05
Nfrastructure:
1929_04_gwb-bridgemen_01
Nfrastructure:
1929_04_gwb-bridgemen_02
Nfrastructure:
1929_04_gwb-bridgemen_03
Nfrastructure:
1929_04_gwb-bridgemen_04
Nfrastructure:
1929_04_gwb-ny-tower
Nfrastructure:
1929_05_gwb-blimps_01
Nfrastructure:
1929_05_gwb-blimps_02
Nfrastructure:
1929_05_gwb-blimps_03
Nfrastructure:
1929_05_gwb-blimps_04
Nfrastructure:
1929_05_gwb-blimps_05
Nfrastructure:
1929_05_gwb-blimps_06
Nfrastructure:
1929_05_gwb-blimps_07
Nfrastructure:
1929_05_gwb-blimps_08
Nfrastructure:
1929_07_25_gwb-bridgemen_01
Nfrastructure:
1929_07_25_gwb-bridgemen_02
Nfrastructure:
1929_07_25_gwb-bridgemen_03
Nfrastructure:
1929_07_25_gwb-bridgemen_05
Nfrastructure:
1929_07_25_gwb-bridgemen_06
Nfrastructure:
1929_07_25_gwb-bridgemen_08
Nfrastructure:
1929_07_25_gwb-bridgemen_09
Nfrastructure:
1929_07_25_gwb-bridgemen_10
Nfrastructure:
1929_07_25_gwb-bridgemen_11
Nfrastructure:
1929_07_25_gwb-bridgemen_12
Nfrastructure:
1929_07_25_gwb-bridgemen_13
