WW: Guess what this is...

Any guesses what building these Swedish-made tiles are from? Hint: it's probably one of Jørn Utzon's most famous creations...

I got the idea of Wordless Wednesday from An Island Life - but
for more WW participants, visit the official WW Hub or 5 Minutes for Mom.

HWotD:
holoholo - to go for a walk, ride, or sail; to go out for pleasure, to travel
"ho-lo-ho-lo"