On July 27–30, Taiwan conducted its annual series of air raid drills throughout the country, to the surprise of many foreign residents. — Sirens signaled the start and end of the drill at 1:30 and 2:00 p.m., respectively. Everyone was required to get off the streets or stay in a building, most public transportation stopped, and some people received emergency alerts on their cell phones. Authorities provided proper warnings in advance, so most…