In Zimbabwe, Martin’s church does not have walls. It only has a straw roof and bamboo posts. There are some wooden pews that were procured from a remodeled cathedral. The minister gives a sermon every Sunday. According to Christian teaching, why would this still qualify as a house of worship?
It has a roof and benches so that makes it a church.
More than two Christians gather there so it is a church.
Christian churches always meet on Sundays.
There is a minister so that makes it a church.