It is the Magna Carta , a charter agreed to by King John of England June 15 1215.
Being the oldest and most effective original telegram, beacon towers are
the most important component of the defensive project on the Great
Wall. They are built continually to pass military messages. In ancient
times, if intruders approached, soldiers on the wall would create smoke
in the daytime and light a fire at night to warn their troops.
Because it was easier to transfer goods on that road
