Image of Vietnam's map is shaped by 1,700 cars.

The event’s organizers, car maker Vinfast and OTV Media, said it took them two years to make the program possible. This is the third time OTV Media has conducted a record-breaking program by car after the previous ones in 2011 and 2016.

More than 700,000 sand blocks were pumped within a month to fill the 3.5m deep lake, creating a flat and spacious ground, up to 16ha, for cars' arrangement.

The Guinness World Records is recognizing the largest number of cars’ arrangement in China with 750 cars.