The Duchess of Cambridge at an ‘Expanding Horizons’ Primary School camp in Wrotham, England.

The Duchess of Cambridge with schoolchildren at an ‘Expanding Horizons’ Primary School camp in Wrotham, England.

The Duchess of Cambridge with schoolchildren at an ‘Expanding Horizons’ Primary School camp in Wrotham, England.

The Duchess of Cambridge with schoolchildren at an ‘Expanding Horizons’ Primary School camp in Wrotham, England.

The Duchess of Cambridge with schoolchildren at an ‘Expanding Horizons’ Primary School camp in Wrotham, England.

The Duchess of Cambridge with schoolchildren at an ‘Expanding Horizons’ Primary School camp in Wrotham, England.

The Duchess of Cambridge with schoolchildren at an ‘Expanding Horizons’ Primary School camp in Wrotham, England.

The Duchess of Cambridge at an ‘Expanding Horizons’ Primary School camp in Wrotham, England.