Let's Fire Up Those Neurons!

Verbal clue for #4692:“Society grows great when old men plant trees whose shade they know they shall never sit in.” -- Unknown

Aside from the obvious reference to trees, I wanted to convey the generous sentiment behind the love and hardwork that goes into the making and maintenance of these bridges. These root bridges take decades to build and grow. The people involved in constructing them do it with the spirit of paying-it-forward. Some of these bridges are over 500 years old. They have been maintained by successive generations for the benefit of those yet to come. What an incredible example of generosity! In a world struggling to accept responsibility for the devastation caused by our unbridled lust for resources, what better symbol of a harmonious existence with the environment, of protecting and nurturing our natural heritage. This too is India!

 

Ingenious correlation though a tad far fetched. :tongue With my puzzles, you must internalize the Occam's razor.

"Among competing hypotheses, the one with the fewest assumptions should be selected."

Given competing answers, the simpler, more direct one will always be the correct one. If you have to jump through hoops to connect an image to the answer, you are most likely on the wrong track. I try not to make puzzles with tenuous, thrice-removed connections. The links are always strong and obvious. In most cases the keyword is straight from the image itself, and can be discerned without any background research. I do throw in one or at most two images where a little bit of reading and lateral association will lead you to the clue.