Around 25,000 people from Thailand work on Israel's farms. Filmed over a year, Our World investigates allegations that many are being exploited. The team uncover evidence of squalid living conditions, unpaid wages, and hear widespread claims their health is being put at risk from pesticides. Although under Israeli law they are entitled to decent housing and safe working conditions, one Israeli NGO that supports workers tells the BBC they are being treated as 'tools', rather than 'human beings'.