Workers prepare to unload panels which will be used to build a makeshift quarantine center on Thursday in Zhengding county in Shijiazhuang, North China’s Hebei province.

The makeshift facility will cover an area of about 330,000 square meters and provide 3,000 housing units for those who need centralized quarantine amid the Covid-19 outbreak, according to local authorities.

Trucks loaded with dozens of panels head to the construction site.

More than 3,000 workers are participating in the construction as local authorities attempt to curb the outbreak as soon as possible.

Workers check out blueprints.

Cranes and other machines work at the building site.

At night, lights illuminate the construction site. The northern province of Hebei reported 90 new confirmed Covid-19 cases on Thursday, including 84 in Shijiazhuang.