Line Chart with Multiple Lines
This line chart displays one week of temperature data from multiple cities worldwide, with each city represented by a distinct colored line and a corresponding color legend. The visualization uses D3 v5 APIs including `scaleTime`, `scaleLinear`, `scaleOrdinal`, `line()` with `curveBasis`, and `nest()` to group measurements by city. The SVG rendering features gridlines, axis labels, and a title, with the data sourced from Data Canvas - Sense Your City and loaded as CSV. Lines are sorted by their final temperature value for comparison.