After the event became established, annual themes were introduced.

The first two issues are on the same broad annual theme.

A year-round crew is employed to develop and implement the annual themes at the attraction.

Each symposium traditionally features a mixture of international and Dutch speakers related to an annual theme.

Each year the scholars are invited to work on projects related to an annual theme.

An ensemble in residence presents several concerts regarding the annual theme.

There is typically a guest speaker and an annual theme.

Exhibitions should interpret and promote our scientific activities, with an annual major theme.

Each year, events center around an annual theme.

Tofu Festival used annual themes to both enhance the atmosphere and promote certain goals.