A protester holds a sign during a demonstration in Asuncion, by teachers from private schools calling for a law to allow them to retire with benefits

Protesters march during a demonstration in Asuncion, by teachers from private schools calling for a law to allow them to retire with benefits

A nun, who is a private school teacher, takes part in a protest in Asuncion, by teachers from private schools calling for a law to allow them to retire with benefits

Protesters march during a demonstration in Asuncion, by teachers from private schools calling for a law to allow them to retire with benefits