The twin towers were constructed in 1978 and had 110 floors. They were destroyed on September 11, 2001 when two planes hijacked by terrorists crashed into each tower, causing both to collapse within two hours and resulting in 3000 deaths. The attacks were one of the greatest tragedies in US history due to both the enormous loss of life and economic impact.

2. When the twin towers were
built?
They were constructed On
October 28, 1978.

3. The twin towers had 110 floors.
40.000 people worked in the World
Trade Center.
The Twin Towers
were one of the most important business
buildings of United Estates and one of
the highest building in the world.

4. ¿When were the Twin Towers
destroyed?
September 11, 2001 at 8:46 am the first airplane crashes
into the north tower of the World Trade Center with 92
people onboard.
Flight 175, at 9:03 am the second airplane crashes into the
south tower with 65 people onboard.
Both towers collapsed within two hours.

6. ¿How many people died in the
attack?
On September 11, 2001 3000 people
died.

7. Now a day 11 years later, most of
the people who helped in the
attempt of the twin towers have
cancer and a lot of diseases.

9. That day is
remembered as
one of the
greatest
tragedies of the
United States not
only for
economic losses
but also for the
people who died.