When Was the First Lighthouse Built?
The first known lighthouse was the Pharos of Alexandria in Egypt, a 400-foot tower built about 280 B.C. A wood fire was kept burning on the
Tag
Tower
What Makes a Bell Ring?
What Makes a Bell Ring? A bell is like a metal cup with a clapper hanging inside. When the clapper strikes the bell, the bell vibrates rapid
What Caused the Tower of Pisa to Lean?
What Caused the Tower of Pisa to Lean? The famous Leaning Tower of Pisa in Italy is the campanile (bell tower) of the cathedral in Pisa. The
Why Does the Leaning Tower of Pisa Lean?
Why Does the Leaning Tower of Pisa Lean? The tower of Pisa is the bell tower of the cathedral of Pisa in Tuscany, Italy. The tower, which is