The answer is este it is used as a masculine adjective where as esto is a demonstrative pronoun for masculine and feminine nouns
Answer:
Si no "entiendes" la leccion, te la puedo explicar.
Explanation:
They are running by participants during the running of the bulls.
The city has its origin in the shrine of Saint James the Great, now the city's cathedral, as destination of the Way of St. James, a leading Catholic pilgrimage route originated in the 9th century[1]. In 1985 the city's Old Town was designated a UNESCO World Heritage Site.