Danny Eckler adds an additional weight to his team's tower as part of an exercise to test the durability of tower design in an Honors engineering class at Stoughton High School in Stoughton, Massachusetts on March 20, 2013.
|Date||12 Apr 2013|
|Location||Stoughton Massachusetts USA|
|Image size||4601x3067 pixels|
|Copyright||© 2013 Charlie Mahoney|