Caspian Sea appears as a ocean stretching endlessly to the horizon.
Yet, scientists classify it not a sea but as Earth's largest lake !!!
It surpasses Japan in size.
It borders Russia
Azerbaijan
Kazakhstan
Turkmenistan
Iran
It is one of the world's captivating geological wonders.
However it is not a typical lake.
Its waters arrive chiefly via rivers especially river Volga which supplies 80% of inflow.
Caspian Sea hosts unique species found nowhere else on Earth.