w/ graduated gray filter

Hanko west harbour office building:
February 2007: http://www.pbase.com/pekkal/image/74240717
February 2011 http://www.pbase.com/pekkal/image/132658900
January 2013: http://www.pbase.com/pekkal/image/148398899
February 2018: http://www.pbase.com/pekkal/image/167052410