That's very light turbulence if ever i saw it... moderate would be the liquid not even staying in the containers/glasses etc.. Extreme, the tray would be up in the air, people would be screaming etc and you wouldn't even be able to hold the camera...
That's very light turbulence if ever i saw it... moderate would be the liquid not even staying in the containers/glasses etc.. Extreme, the tray would be up in the air, people would be screaming etc and you wouldn't even be able to hold the camera...