There they form regular white bands amid the sediments, much like age rings in trees.

它们在沉积物中形成规则的白色带，很像树木的年轮。

But questions remain over whether they can be just as popular as regular bands with their large numbers of fans.

但她们是否能像拥有大量粉丝的普通组合一样受欢迎仍然是个问题。