prime minister kishida fumio then flew to neighboring kanagawa prefecture. he inspected a joint disaster drill conducted by four prefectures and five major cities. >> translator: it is very important to be well-prepared for emergencies on a regular basis and to carry out practical disaster prevention drills. meanwhile, elementary school students in chiba prefecture learned how to protect themselves. soon after the siren echoed across the city of tatayama, a teacher instructed students to drop, cover, and hold on. >> translator: i want to be able to act appropriately. >> amid the many high rise buildings in tokyo about 1,000 people took part in the joint drills conducted by the tokyo metropolitan police and fire department and a real estate company. the great kanto earthquake presents us with a challenge how to create lessons learned from the disaster. tsunami hit coastal areas near tokyo. experts have reproduced the tsunami as a computer graphic or cg using data from the great kanto quake. it offers an extraordinary look at the power of that seismic event. >