Visitors flock to Stonehenge for what annual event?

Here is the question :

VISITORS FLOCK TO STONEHENGE FOR WHAT ANNUAL EVENT?

Here is the option for the question :

• New Year’s Day
• Fall harvest
• Summer solstice
• Spring equinox

The Answer:

And, the answer for the the question is :

Explanation:

[STC0018207]. Stonehenge’s massive stones are thought to have been erected between 2500 and 2200 BCE, and the neolithic structure continues to confound tourists from around the world. Many researchers think Stonehenge was a religious structure built to follow the path of the sun. On the summer solstice, when the sun rises over Stonehenge’s Heel stone and directly hits the center of the circle, tourists throng to the location.