Portal Repair
The municipal plaza was filled with numerous stalls made from . It served as the public market to buy and sell things. There's also a trading section for bartering goods.
People shopped around at this time of the day since there was nothing else to do. For the common survivors, night time was extremely dangerous even though the carriers were weakened.
It's becoming a common knowledge to everyone that carriers use energy as a way to move and revive. Some hypothesized that they were gathering energy from the sun while evolving at night. Also, since there's no source of energy when the sun sets, the carriers were forced to fight passively and conserve energy.
The Frontier was the one who released this information to the public.