I wonder why they are there. The draw of liberalism and secularism?

""Most of the "foreign fighters" slipping into Syria to join rebel groups, or fight independently alongside them, are Sunnis from other countries in the Middle East and North Africa, the U.N. investigators found, reporting on their findings after their latest interviews conducted in the region. "They come from all over, Europe and America, and especially the neighbouring countries," said Abuzayd, adding that names from 29 states had been recorded so far.""