Fig. 3
From: Universal scaling of human flow remain unchanged during the COVID-19 pandemic
Drainage basins around Tokyo metropolitan area during COVID-19 pandemic. a–b, Flow maps of basins in a the morning commuter rush hour (07:30–08:00) and b the afternoon (13:30–14:00) in the Tokyo metropolitan area, where the largest 15 basins are shown in different color codes. The display area is about \(20 \times 30\) km. The analysis range is from April 7 to June 30, 2020