Brightness changes in one room

Hi all
Commercial drone operator here. While filming in a restaurant I pass by a wall with intermittent windows. The picture brightens then darkens then brightens etc.
How do you adjust for that?
Thanks in advance
Commercial drone operator here. While filming in a restaurant I pass by a wall with intermittent windows. The picture brightens then darkens then brightens etc.
How do you adjust for that?
Thanks in advance