30 Secondary 4 and 5 students joined a five-day study tour to Taipei and Yilan, Taiwan, from 28th March to 1st April. The theme of the tour is "sustainable development". Students visited sites related to the theme, such as revitalized coal mines and factories, geoparks and geothermal sites. During the tour, students demonstrated genuine interest in sustainable development and the application of this concept in different aspects of life.