| 100m-long tunnel to come up between Thane and Diva | 2011-10-31 |
| Tunnel will cut travel time near Hongqiao | 2011-10-31 |
| Port of Miami tunnel on the cutting edge | 2011-10-31 |
| Robbins EPB roars to life in Azerbaijan | 2011-10-31 |
| India’s longest rail tunnel opened in Kashmir | 2011-10-17 |
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