in 1-2 sentences, Explain what a ruta de pintxos is.

A ruta de pintxos is a culinary tradition popular in northern Spain, particularly in the Basque Country, where people go from bar to bar to sample small, elaborately presented and delicious bite-sized appetizers known as pintxos.

use simpler terms

A ruta de pintxos is a food tradition in northern Spain, where people go to different bars and try yummy little snacks called pintxos.