谷歌街景，最初在2007年开始运营时，内容仅仅涵盖了美国5个城市。短短16年过去，如今的街景已经覆盖了114个国家和地区，记录下了1600万公里的景色——这个距离相当于环绕赤道走了400圈。仅仅靠一个部门，是如何完成如此海量数据的收集工作的？除了那些厉害的硬件，在记录旅程的背后，还隐藏了不少有趣的故事......
102 countries, seven continents, 10 million miles of road.
In 15 years, Google Street View has circled the planet 400 times.
Here you can see where we've mounted the Street View car onto a three-wheel tricycle.
Here it's been mounted to a snowmobile.
One of our earliest trackers.
A trolley through museums. Places that we expect that are to be a lot of change, we try to drive those areas more frequently.
There are other areas of the world where we still have to go back and refresh that imagery again.
Let's walk through 15 years of gadgets and gear to understand the tools Google Street View uses to map the world.
Maps are fundamentally about where things are.
Think about a satellite map, or even the map that you draw on a napkin for your friend.
