Just after evening prayers on a cool spring night in February, thousands of Bangladeshis young and old tumbled into a village school yard, chattering excitedly. Sitakunda, a community of 5,000 people in the country’s poorest province, has no electricity, and the arrival of a high-tech cinema truck promising an evening’s entertainment generates a great deal of local buzz.

Just after evening prayers on a cool spring night in February, thousands of Bangladeshis young and old tumbled into a village school yard, chattering excitedly. Sitakunda, a community of 5,000 people in the country’s poorest province, has no electricity, and the arrival of a high-tech cinema truck promising an evening’s entertainment generates a great deal of local buzz.