Indeed, the game plays with the concept of time from its very beginning.

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With a quantum theory of gravity, we may be able to trace the Big Bang expansion back to its very beginning, and understand precisely how our universe arose, presumably from nothing.

CNN: Higgs and the holy grail of physics

They are almost reduced to the plan, but, through the remains of towns, of canals and roads, it is possible to observe the evolution of this interaction of cultures stage by stage, from the very beginning to the period of final decay, when the Eurasian route lost its importance and the towns their economical role.

UNESCO: Culture