The small format suits what you're doing here. Sometimes a vacation painting works because you're not trying to make it monumental, just keeping your hand moving in a new place. The acrylic held up to travel conditions?

That palette feels like early morning light coming through clouds. The way acrylics let you layer cool tones like that, I'm always chasing that in my landscape work but with a camera instead of a brush. Austria must have given you some good air to work in.