By Lawrence Matheson Every year, the town of Menton in France hosts a big lemon festival called the Fete du Citron. They use over 140 tons of citrus fruits to make ornate floats and showy park displays that bring in thousands of tourists to the town But they don’t use the real Menton lemons, which were loved by King Louis XIV who liked to drink their juice and use their oils for baths. There just aren’t enough of these special lemons, and they’re too valuable. “Honestly, we prefer that people taste our lemons rather than look at them on display,” said Marine Krenc, who helps organise events fo…