That 7 line extension is critical to development in the area, so here's the update from the MTA...
The Girasole site:
34th Street Station Site
Access shaft constructed at 35th Street and 11th Avenue for excavation of the 34th Street Station cavern.
Looking south and north
Rock anchor installation, 34th Street Station cavern.
34th Street Station ventilation and emergency exit shaft at 36th Street and 11th Avenue.
Tunnel Boring Machine (TBM) Launch Site
Excavation of TBM launching chamber using drill and blasting (looking west).
Shaft constructed at 26th Street and 11th Avenue to provide access point for TBM operations.
Construction of temporary power sub-station for future TBM operations.
TBM starter tunnels - north and south tubes (looking north).