| This photo is from the westbound platform at the 
			Clark/Lake station.  It is an early morning in winter.  An 
			inbound Green Line train with its bright headlights is on the far 
			side of the junction above Lake and Wells.  That crossing is 
			the most complex and busiest on the system.  Traffic through 
			there is controlled by Tower 18, prominently in view. 
 There has been much urban rebuilding in and near this part of 
			downtown in recent years.  And downtown has greatly 
			expanded, with offices and residential development bulging outward 
			from the Loop on all of its sides.
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