What encourage London girls in traveling to Syria?

The London girls after coming across with the terrorists in Syria through internet travel there in order to get married with them.
The daily star newspaper writes: the London girls popularly known to be encouraging Jihad after knowing the terrorists through the internet travel to that country and later get married with them.
The daily star added saying: base on the announcement made by the supervising experts of the extremists in the country; the terrorist deceived the girls by spreading their images in the internet claiming to be hero.
According to the newspaper about four girls from London has so far got married with the terrorist group in Syria but some people believe that the number is more than as mentioned.
The London security agents believed that about 600 London indigenes is taking part in Syria civil war which not less than 20 of them has been killed in that country.