How a dam look like? Is it built like other buildings and structures? How it works to store water? Does every dam generate electricity? Why the dams are built in mountainous areas? Sort of the questions, engineers face from inhabitants when they go to the project area for data collection and investigations or they are discussing about water scarcity and energy crisis in general public or even when they share the stories of their work with family members specially kids. I am quite sure that they do their best to explain in simple words about the concept of the dam and hydro power projects.   But, honestly speaking, it needs many words to describe the concept involving imagery or abstract thoughts. Secondly, it is not only difficult but freaky too to explain the geometry, construction and functioning of dam or hydropower in narrative (in words) to the people who does not belong to relative field of engineering. The old adage “A picture is worth a thousand words” certainly ...