Concord Museum is launching the 2017 celebration of the bicentennial of the birth of Henry David Thoreau, one of America’s most thought-provoking writers and thinkers, with a deeply personal exhibition by photographer Abelardo Morell. Walden: Four Views Abelardo Morell will be on exhibit in the Concord Museum’s Wallace Kane Gallery from February 10 through August 20, 2017.