Who is Who? 誰是誰呢？

大人小人都不在家，逛逛臉書吧！看到伯大尼小時的照片，實在是好可愛，忍不住也把我們家的熊熊們小時候照片拿出來晾一晾。咦？怎麼有四張？
When we saw our friend BB's pictures, and we can't help to think about our 3 little baby bears plus one.