The springs of fresh water that bubble up among the keys of the S.
Rain and ground water seep into the fabric of the buildings and force mosaics to bubble up.
Helium is contained almost universally in the gases which bubble up with the water of thermal springs.
If it instead makes a little bubble up by your Achilles tendon, then you need to buy a smaller size.
Méthode Champenoise is only one form of secondary fermentation that causes wines to bubble up with carbon dioxide.