![Primer encierro de San Farmín 2018.](https://imagenes.elpais.com/resizer/v2/VFMJXJXO4VIHZMZQHAZOD76ITA.jpg?auth=6cc3707bd48c052a40ce085b20804cfc0ab3c9f9c67f1a8cd6a402aea7974109&width=414)
In photos: Day 1 of the Running of the Bulls 2018
Animals from the Puerto de San Lorenzo stockbreeder were the first to run the streets of the city during the world-famous fiestas, in a run that saw slippery surfaces thanks to early morning rain, and two of the fighting bulls breaking away from the main herd
![El País](https://imagenes.elpais.com/resizer/v2/https%3A%2F%2Fs3.amazonaws.com%2Farc-authors%2Fprisa%2F0b9a52b8-006a-4382-938a-05e3d58f07cf.png?auth=d7a4bd5f610bf92a4f1d3b8bd39266a940bc685b735267a60e73646c6f66a05c&width=100&height=100&smart=true)