Limestone Buildings
One of the views of the limestone buildings from http://mep.metrohm.com.au/2015/08/19/nirs-for-blending-and-refinery-processes/ my 14th floor room at the Crowne Plaza on K St and 14th. I’m here in Washington DC to speak at a CASE conference (and hopefully, to refuel in the warm and sunny mid-atlantic spring).
Another view of the limestone corridor: