The visual of construction workers and the initial text "UN SACO A LA VEZ" (One bag at a time).

Two construction workers in yellow hard hats are on a construction site. One worker is pouring cement from a bag into a pile on the ground, while the other stands nearby with a shovel. Bags of cement are visible on the ground and stacked to the right. The scene is outdoors with some greenery and a partially built structure in the background. The pacing is slow and steady.