The Earth, as far as we know it's the only home to life in the universe.
地球,據我們所加,全宇宙只有它有生命。
So what makes our planet so special?
是什么讓我們的行星與眾不同?
To find answers, we must travel back in time.
要找出答案,我們必須回到過去。
See the first humans walk the Earth.
目睹人類始祖行走于地球。
Ride each colliding continent.
跟隨大陸相互撞擊。
Face killer dinosaurs.
面對殺手恐龍。
Dive into oceans full of bizarre life forms.
潛入滿是怪異生命形態的海洋。
Feel the bitter chill of global ice ages.
感受全球性冰河時期的酷寒。
And experience the fury of cosmic missile attacks.
體驗宇宙飛彈轟炸的狂暴。
By travelling back in time,
唯有回到地球誕生之初,
we can piece together our planet's incredible story.
方能拼湊出這顆行星驚濤駭浪的故事。
And discover why all of this, and all of us, are here.
發掘蕓蕓眾生如何出現于斯。
The journey starts almost five billion years ago.
我們的旅程開始于近50億年前。
There's no sign of Earth just yet.
那時還沒有地球的跡象。
Only the Sun, a newborn star surrounded by dust.
只有新生的恒星太陽被塵埃包圍。
The Earth hasn't formed yet.
地球甚至尚未成形。
But through time, gravity pulls the dust into tiny rocks.
讓時間快轉,即可看見重力把塵埃聚集成小巖石。