w/ graduated gray filter

The pine at Fågelboet:
January 2007: http://www.pbase.com/pekkal/image/73605927
February 2008: http://www.pbase.com/pekkal/image/92467022
January 2009: http://www.pbase.com/pekkal/image/108255736
January 2010: http://www.pbase.com/pekkal/image/121358948
February 2011: http://www.pbase.com/pekkal/image/132306055
January 2012: http://www.pbase.com/pekkal/image/141061649
February 2013: http://www.pbase.com/pekkal/image/148930018
March 2014: http://www.pbase.com/pekkal/image/154772260
February 2015: http://www.pbase.com/pekkal/image/159064830
March 2017: http://www.pbase.com/pekkal/image/165109461
February 2018: http://www.pbase.com/pekkal/image/167021243
February 2019: http://www.pbase.com/image/168849708
April 2020: https://pbase.com/image/170606621