Details of the festivities held in Arica with the attendance of political figures from Chile and Bolivia. As is known, this line has been built to absorb the commercial traffic of northern Bolivia, which is currently carried out through Mollendo. The inhabitants of Lima and the surrounding area have the opportunity to get to know Arica, to see the legendary Morro; the sons of Tacna will be transported in their hearts to their homeland. Views of the dock of the port of Arica as General Montes departs aboard the O’Higgins; departure from the Arica station of the inaugural train with the official entourage. [...] This brilliant film of the festivities for the inauguration of the railway from Arica to La Paz is a historical document of inestimable value, its evocative and vibrant relevance.