Carolina explains in greater detail how the passive voice is expressed in different verb tenses.

Carolina explains how the press and social media often use an abbreviated form of the passive voice to save space as well as how the pronoun "se" can be used to formulate sentences in the passive voice that emphasize what is sold or offered as opposed to the person selling or offering the service or merchandise.

Carolina introduces us to the concept of possessive adjectives and gives us some examples of their long and short forms.

Carolina explains the importance of agreement with possessive adjectives, which must always agree both in number and in person with the nouns they modify.

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.

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.

Leonardo Rodriguez Sirtori, an artist from Bogota, Colombia, takes us to his workshop, offering us some insight into the work he creates.

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.