The graffiti and the style of the brick wall suggest a Latin American urban environment. The word "NACIONAL" is visible on the wall, which is common in many Spanish-speaking countries. The concrete utility pole is typical of infrastructure found in cities like Medellín or Bogotá, Colombia. I am moderately sure this is in Colombia.

then: forward

The cyclists are wearing "TEL" cycling gear, which is a common brand in Colombia. The brick wall texture and the specific style of graffiti are highly characteristic of urban areas in Medellín. The overcast, humid climate and the steep, lush hillside visible on the left are typical of the Aburrá Valley region. I am quite confident this is in Medellín, Colombia.

then: guess