Another step in the renaissance of Downtown Los Angeles:  Construction crews carried out the largest continuous concrete pour in history to lay the foundation for the Wilshire Grand.  The 73-story building will be the tallest west of the Mississippi River.

Video: Wilshire Grand Concrete Pour

When the $1-billion project is complete in 2016 or early 2017, Los Angeles will have a new 900 room, four-star hotel along with new restaurants and office space.  It's the most significant development in recent memory for downtown L.A.

The developer is Korean Air.  The architect is AC Martin with the design and construction being managed by Martin Project Management.