The joint school exchange tour was held from 25th March to 28th March. S.4 Tse Chin Nang and Lei Wing Yan represented Sun Hoi to join the tour. Led by the chairman and directors of TWGHs, they became the pioneers of “Belt and Road”. Being the countries of “Belt and Road”, these two countries are very similar to Hong Kong in terms of the economy, languages and lifestyles. Also, with the active promotion of innovative technology, students have gained a deeper understanding of Belt and Road. The experience has also widen their horizon.