What has changed on Earth's surface over the past 28 years?

According to relevant information reported in Google Earth Google launched time tourism services. From 1984 to now, the Earth has undergone many changes, and Google has provided users with a spectacular picture of the Earth's vicissitudes in a bird's-eye view.

Google's launch of the time tourism service, with the United States Geological Survey, NASA and Time magazine have cooperated. Google Earth provides high-definition images of Earth satellites, in which we see all the changes in the Earth since 1984. If the user wants to see a change in the location, after choosing the location, watch the time between 1984 and 2012.

Google said in its blog post: "Today we have successfully completed the task of time travel, so you can go back to the past." View the dramatic changes in the Earth's surface from a historical perspective. ”

Google said it had processed more than 2 million images, over 909TB of data, and managed to find images that were not covered by clouds. The images are then spliced together to create a magnificent picture of the time. Each image contains nearly 2 trillion pixel points, equivalent to 900,000 resolution of the picture.

Google has now released some startling time pictures for publicity. From these GIF images we can see that Dubai from a desert into a city and began to build an artificial island, the Amazon forest has been transformed by man-made deforestation, and the process of Umir Lake drying up.