In each interactive map, use the widget to switch on/off the layers Flow for the flow map, and Trajectory for the trajectories. Due to the computational load to render individual GPS points of the trajectories, they are rendered as linestrings.
Data source: Zourlidou, S., Golze, J., and Sester, M. (2022). GPS Trajectory Dataset of the Region of Hannover, Germany [Data set]. LUIS. doi:10.25835/9bidqxvl