玩了玩 Google Earth Engine 新推出的 Timeslapse 功能，原來98年之前渝中到江北之間都還只有一座嘉陵江大橋，仍高度依賴索道或輪渡。再看北部的發展，擴張速度真的堪稱誇張二字，用這個功能來看中國的 urban growth 的確還滿震撼的。
Google
Timelapse – Google Earth Engine
Google Earth Engine combines a multi-petabyte catalog of satellite imagery and geospatial datasets with planetary-scale analysis capabilities and makes it available for scientists, researchers, and developers to detect changes, map trends, and quantify differences…
