One and only collector animal of the earth, humans were accomplished numerous achievements in its million years old history. Even though it's against to living environment, polluting air or life-sharing other animals, humans selfishly continued their improvement. Not looking to determinism of accumulation which necessary for this improvement, also. Who knows, this desire for accumulating may be part of a cosmic plan. Or pure lust of our undeniable nature. No matter what, it's a fact that; accumulating and transpassing our accumulations to new generations are few rare habits which separate us from other animals. Heritage is a basic human envy, as a curse of our accumulating habit.
