關恆坦言，在拍攝的過程中感到害怕，也意識到這樣的拍攝具有風險。這個過程，歷時三天。
The tests used in standards for evaluating smoke alarms were developed back in the 1980s. However, despite changes in building materials since then, smoke alarms remain reliable, says Chagger: "They still respond to all the main fires we get today."
。爱思助手下载最新版本对此有专业解读
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Мир Российская Премьер-лига|19-й тур