<br /> <p>More than 10,000 cloud-to-ground lightning strikes were recorded</a> by the Hong Kong observatory during a 12-hour thunderstorm on July 9 and 10. The storm followed the hottest day recorded</a> in Hong Kong since 1968, with temperatures exceeding 37 degrees Celsius (98.6 Fahrenheit). Credit: YouTube/Aidan D Bonel</p><br />
