When the Beirut Explosion shook Lebanon in August 2020, an ammonium stockpile totaling over 2,000 tones blew up. Damage to buildings occurred as far as 5 kilometers away. More than 200 people lost their lives, and a further 300,000 people were displaced. The scale of the damage was so extreme almost no one knew where to begin. International efforts started immediately, with humanitarian aid ranging from medical support to clearing debris. One thing became overwhelmingly clear: the damage was immense. One organisation, wanted to measure the damage and provide that data to any group helping the recovery efforts that needed it. The mission was simple: do damage assessment and create an open-access resource. The next question was how.