Where are the Food From?
And Where do They Go to?

Use the dropdown menu to select a food item;
Use the slider in the center to change the year;
Use the slider on the top-right to change the quantity scale;
Double click on the canvas to reset the view;
Hover on the left/right edge of the canvas to pan left/right;
Hover over the circles to see more information;
Click on the circles to fix/unfix the country you choose.