Basque Celebration (dance at El Antiguo, San Sebastián) is a vibrant scene filled with color and energy. The painting depicts a group of dancers in traditional Basque attire, surrounded by a lively crowd. The use of bright reds, blues, and greens creates a festive atmosphere.

The setting is likely an outdoor plaza, capturing the spirit of celebration in San Sebastián. The painting showcases Regoyos' Impressionist style, characterized by loose brushwork and a focus on light. The figures are rendered in a way that emphasizes movement, as if they are caught in the act of dancing. The background is blurred, drawing attention to the dancers and their colorful costumes.

This technique enhances the sense of joy and festivity in the scene. Darío de Regoyos was a prominent Spanish painter associated with the Impressionist movement. He often depicted scenes from his native Basque Country, celebrating its culture and traditions. This work is particularly interesting as it reflects the artist's commitment to capturing the essence of Basque festivities.

Regoyos' paintings are celebrated for their vibrant colors and dynamic compositions.