The cakes are laid at family altars as an offering to ancestors

Tens of thousands of cakes are made and sent across the country every Tet from an alley in the city.

Jean-Noël Poirier has been in Vietnam for eight years, and it shows

The homey feeling is gone, but this factory says its technology does not spoil the cake. 

Dong is used as the wrapping for Vietnam's traditional rice cakes