Lata 65, a group of senior citizens, may be the world's most interesting graffiti gang.

Lata 65 is a creative workshop teaching street art to senior citizens in Lisbon, Portugal.

The new urban workshops strive to break down stereotypes and ageism by teaching street art to senior citizens.

In conjunction with the Wool-Covilha Urban Art Festival, Lata 65 aims to awaken, motivate and excite the elderly through urban art.

It is presented as a workshop taught in totally relaxed working environments.

The murals bring color and charm to otherwise run-down neighborhoods.

The relaxed environments are ideal for learning a variety of intervention techniques used in the streets, while working directly with some of the best urban artists today.

Architect and founder of Lata 65, Lara Pebble Rodrigues, explains that her goal is to pass on street art to the elderly, using it as a tool to bridge the gap between generations.