- Production, filming, editing.
In Mexico City, many families are still awaiting news of loved ones missing after the 7.1 magnitude earthquake on 19 September.
One office block in central Mexico City – Alvaro Obregon 286 – is the deadliest site, with more than 35 bodies recovered and more still missing.
Families are camping out nearby as dozens of rescuers search the rubble.
The BBC spent three days with the family of 26-year-old Adrian Moreno, who had recently started working in the building.