There is no place for them to go? How about the %78 of British Mandate Palestine that was set aside for their homeland, it's called Jordan.
The fact that palestinians are still kept in refugee camps 70 years after the conflict that displaced them only shows that the Arabs would rather you feel sorry for them rather than take care of their own people.
Just like Palestinian human rights activist Bassam Eid says.
RE: Open Letter to Palestinians in Israel