Outdoor temperature at 12 am can reach over 40 degrees Celsius. (Photo: VNA) 
Temperature on the road surface reaches 55 degrees Celsius at noon. (Photo: VNA) 
Hot weather can cause dehydration, exhaustion and heat stroke due to prolonged exposure to high temperatures. (Photo: VNA) 
Hot weather can cause dehydration, exhaustion and heat stroke due to prolonged exposure to high temperatures. (Photo: VNA) 
Hot weather affects people joining in traffic. (Photo: VNA) 
Hanoi has braced for the hottest days since early June. (Photo: VNA) 
Vehicles avoid sunlight under Cat Linh-Ha Dong elevated railway. (Photo: VNA) VNA
