Artist Leonardo Rodriguez Sirtori speaks about his latest project, a series of portraits that celebrate the nuances of black skin.

Artist Leonardo Rodriguez Sirtori talks about how his mixed heritage helped shape his identity early on as well as how he gravitated towards African music, culture and individuals as a young artist living in Portugal.

Despite having been inspired by a multitude of diverse subjects throughout his artistic career, Leonardo Rodriguez Sirtori's gallery owner asks him to compile an exhibition focusing on his dark-skinned portraits.

Artist Leonardo Rodriguez Sirtori explains how, with some notable exceptions, the representation of European figures and history have often been prevalent in art. It is his hope that art throughout the world will increasingly reflect figures of African descent, particularly through the eyes of artists of African descent themselves.

Colombian artist Leonardo Rodriguez Sirtori shows us his studio and palette of colors, in addition to explaining about the ideal lighting conditions for many artists.

Artist Leonardo Rodriguez Sirtori explains the roles of his color palette and light in his attempt to represent a plethora of shades of brown and black skin.

Colombian artist Leonardo Rodriguez Sirtori explains how the "alla prima" [wet-on-wet] style of painting influences his work.

In the conclusion to this series about Colombian painter Leonardo Rodriguez Sirtori, he shares with us how he has evolved with age and how such has affected his work.

Is an architect born or made? Must an architect draw by hand or can he simply use computers to generate blueprints? Leif, a Spanish architect who relocated to London during the onset of Spain's recession, gives us his take on these and other architecture-related questions.

Leif continues to discuss architecture, elaborating on his creative process, preferences and the architects he admires.

Cristhian from Colombia gives us some information about the guitar as well as some tips on how to play it.

Cristhian from Colombia continues his guitar lesson.

Our third and final guitar lesson with Cristhian from Colombia.

Carolina teaches about the apocopation, or shortening, of a small group of masculine singular adjectives in Spanish.

Having noticed a lot of confusion among her students regarding the usage and meaning of reflexive verbs and pronouns, Venezuelan Spanish teacher, Carolina Graterol, clarifies these topics with some useful examples.