the majority of unago need children into greece are slipping through the cracks >> they present themselves as adults because they feel it would slowdown their journey otherwise or they present someone who they're travelling with as a guardian that south korean necessarily the case >> reporter: unaccompanied refugee children can apply for asylum here in greece and stay until they're 18 years old. they will probably not get proper housing and schooling and social support. most of them therefore choose to leave for other european countries. they do so under pressure from their parents and smugglers so they can continue their journey northwards. greece neither has the desire nor the funds to keep them here >> if the state wanted to do something to ensure that the children stayed, then they would ensure that the facilities were of a certain quality, they would ensure that there were social and economic reasons for the children to stay, but at this point in time greece is not in a position to satisfy the needs of its own citizens. >> reporter: aid agencies are now warning that unaccompanied chil