nine jumbos falling out of the sky

The Financial Times urges it readers to support its seasonal appeal for WaterAid. The article says that (according to Unicef) every day diarrhoea claims the lives of 4,300 children under the age of five.

WaterAid's head of policy says, 'If we had nine jumbo jets falling out of the sky every day, which is the equivalent, there’d be an immediate G8 summit.'