Why is Iran's Fordow nuclear facility Israel's main target?

Fordow – one of Iran's secret and secure nuclear facilities is located deep within a mountain in the province of Qom. This facility has now become one of Israel's primary and complex targets. Israel's attack on June 14 did not cause significant damage there.

Why is Israel so interested in this nuclear facility? Can Israel destroy this facility hidden beneath the mountain?

Let's find out more in today's Star Explains.