Same place as previous two pics, but this time to the right, looking down Paseo Colón (now Passeig Colom). Here:
https://www.google.es/maps/@41.3760833,2.1779344,3a,75y,31.95h,86.15t/data=!3m6!1e1!3m4!1smTwxxoGUKzcO4Rooxut5RA!2e0!7i13312!8i6656This is one of the few streets where buses have their own right-of-way (instead of just a bus lane). It was inherited from the trams.
Also notice the different liveries. The red one was on its way out, and the turquoise one was now becoming standard.