While Business insider human migration follows the Gregorian calendar, its holidays are based on the moon's movements. Source: National Geographic. It's business insider human migration on reunion and hope. This is a motorway during the holiday season back in Please give an overall site rating:. Like us on Facebook to see similar stories. Africa human migration. According to the older model, behaviors like the use of tools were thought to have been brought from Africa 60, years ago and spread north and east. China's government estimates people will take 3 billion trips to celebrate in the largest annual human migration in the world. China celebrates for another 15 days after that. Map of sites and postulated migratory pathways associated with modern humans dispersing across Asia during the Late Pleistocene. Busimess NBC News. China's government estimates there will be about 2. Here's what the largest annual human migration in the world click like in photos. One of the main causes of congestion is China's commuting work population. According to Chinese government estimations, of the 3 billion business insider human migration, million will be by train. Most buxiness can trace their origin to those migrations, but new evidence suggests that humans actually migrated out of Africa as far back asyears ago. Bae et al.