[citation needed] In 1999, Romero served as the project leader who won the entry for Casa da Música in Porto, Portugal.

[5] Over the past decade, the accolades of Romero and fr·ee have included: [citation needed] In 2010, fr·ee formed a separate office in New York City to serve a growing number of cultural, religious, and commercial projects across the United States.

[9] The Soumaya Museum, located in Nuevo Polanco in Mexico City, was designed under the direction of Romero in 2010.

The exterior facade is composed of sixteen thousand hexagonal tiles, which generate a different effect depending on the angle at which you are standing.

[citation needed] The proposed new Mexico City airport was designed in collaboration between fr·ee and Foster + Partners.

It is estimated that the project would have required an investment of about 9,150 million dollars and is considered to be the most important work of the administration of the president Enrique Peña Nieto.

Regeneration, a project restoring selected pieces of modern Mexican architecture, preserves culture and creates awareness about the role of architecture and design in Mexico; Archivo Diseño y Arquitectura, located in Mexico City, situates a private collection and experimental exhibition space for industrial design objects; and "fr·ee time" is a year-long fellowship bestowed upon a Mexican architect under the age of 35, providing an opportunity to travel and research a specific topic in depth.