Boluda Towage and Salvage Tugs in the manoeuvre of the sinking of a tunel that will link the mexican cities of Coatzacoalcos with Allende and the close petrochimical complexes of Pernex. In this timelaps it is seen the transport and the immersion of the firt element of the tunel.

A group of experimented specialized is need to transport and sink the object of those dimensions with a marge of no more 3 cm.