. >> to nhk world's zacchari zaccharia yomo. what did the students tell you? >> they were nervous in the beginning. for some of them, it was their first time doing volunteer work. they worked hard. in the end they said theyen the done enough, and wanted to do more. i think the hands on experience really motivated the students. the school says it will try to come up with more ways for them to contribute. >> right. and more schools visiting disaster hit areas? >> yes, the numbers are gradually increasing. this has given the students a chance to talk with survivors and hear firsthand accounts of their experiences. however. many parents are still concerned about aftershocks and more tsunami waves. they remain reluctant to send a trip to northeastern japan. that's an issue many schools are dealing with. it will take a while longer before the number of school excursions and tourists return to predisaster levels. >> right. thank you, kaori. >>> investors find relative safety in hong kong. they like its sound banking system, the flexibility of its markets and it's tie