I would love to tell you and so would hundreds of historians, but I can't and neither can they.
It was probably a large number because those massive stones were lifted or somehow transported without the use of the wheel!
Over 50 - you have to include the bluestones, not just the sarsens. See the plan on the Stonehenge Wiki page.
0, Zero. Stonehenge is a ruin/monument not a residential area.
Nobody lives at Stonehenge. It is a Neolithic site in Wiltshire, England.
Nobody knows.
Around 800,000 people visit every year.
around 800,000 each year!
Over 1,000,000 last year (2010)
Stonehenge is open all year round for visitors. See the site of English Heritage for daily opening times.
20,500
1000000
27million
There are 27 million visitors that come to Paris each year. 6.9 million visitors will go to the Eiffel tower each year.
45,000 a year
10million people visit Norwich area each year
Yes - at least a few coaches a day Around 700,000 to 800,000 per year
2354
3 million visitors a year
8 millions per year
It depends if visitors want to go or not but it would be at least more than 20,000 people a year