The intervention is based on the words of Christ in John3/8:
The wind bloweth where it listeth,
and thou hearest the sound thereof,
but canst not tell whence it cometh, and whither it goeth:
so is every one that is born of the Spirit.
Caused by a ventilation unit, negative pressure and excess pressure
are changing within 5-10 minutes. Thereby it will be an light physical experience
if entering and leaving the church. Loose objects like curtains, hanging objects and also book pages will also be easily moved by the airflow.