. . "But even with blasting and machinery grinding through the rock day and night, most New Yorkers are blithely unaware of the construction or the eerie underworld that includes a massive, eight-story cavern, miles of tunnels and watery, gravel-filled pits. ???I look at it and I???m in wonder, I???m in awe,??? says engineer Michael Horodniceanu, president of capital construction for the state Metropol" . .