"Messenger bird from the past"
6 minute English a program of BBC Learning English.
The topic of the program is  "Messenger bird from the past" that speaks 2 persons they are Callum and Neil.
The most important questions that begins the topic in the programs was: Pigeons are everywhere in London!, What do  they have to do with war, secret messages and codes?

They have a question about codes. Who´s the first person that used this codes to keep his or her communications secrets?, then they names 3 celebrities persons that Julius Caesar, Roman emperor;  Harold  the English King; or  Tutankhaum  the Egyptian pharaoh, .Well, the another person that participed in this program He haven´t idea whatsoever, but he chosed Harold the Englis King.
The answer they will take at the end of the programme, leaves the listeners intrigued!.
They continued with the pigeons messengers, Callum, told an history.... A man was cleaning out the chimney of his house in the south of England, he found in the rubbish a pigeon´s leg. Attached to the leg was a small container and inside was a message written in code, it was a military message from de Second War. It was a common practices in the wars and the birds are used to carry messages and Gordon Corera explain why. what reason does he give?. The said that There were important messages  carried by pigeon, because it was moving so fast and it couldn´t put up an aerial for a wireless transmission to be sent so they would very quickly. They use a pigeon, rather than the radio, because they sent the pigeons for a especifically place and it was more safe.
In the Second War the military used over 250.000 pigeons.
This method was replace   in  the modern times for computers and modern technology.
At the end program answer the questions. The first person that using written codes to keep his or her communications secret was Julius Caesar,  Roman emperor. It´the correct answer!
Body:

Many difficult or unusual problems for me was vocabulary.


Conclusion:

The program was very interesting is amazing!, that it was used since before the first War, from the Roman emperor! It's great!. The humans are more clever!.