A mother whale often interposes herself between her calf and potential danger, but this mother was an easygoing, Montessori sort of parent, and she let her baby explore.

• 蓝鲸母亲通常让自己夹在宝宝和潜在的威胁之间，但这头雌鲸却是个随和开明型的家长，任由孩子多多探索。