var locations = [
["
Hong Kong, Kowloon
", 22.316670, 114.183330],
["
Viet Nam, Hanoi
", 21.024500, 105.841170],
["
China, Shenzhen
", 22.545540, 114.068300],
["
China, Foshan
", 23.026770, 113.131480],
["
Hong Kong, Hong Kong
", 22.285520, 114.157690],
["
Viet Nam, Hanoi
", 21.024500, 105.841170],
["
Viet Nam, Hanoi
", 21.024500, 105.841170],
["
Viet Nam, Hanoi
", 21.024500, 105.841170],
["
Hong Kong, Hong Kong
", 22.285520, 114.157690],
["
Laos, Vientiane
", 17.966670, 102.600000],
["
Hong Kong, Hong Kong
", 22.285520, 114.157690],
["
Hong Kong, Hong Kong
", 22.285520, 114.157690],
["
Viet Nam, Vinh
", 18.666670, 105.666670],
["
Viet Nam, Hanoi
", 21.024500, 105.841170],
["
Viet Nam, Hanoi
", 21.024500, 105.841170],
]