Does anyone recognize the characters written here? (Characters identified: 天倫樂敘) Does anyone recognize the characters written here? I've tried to figure it out but still can't understand what is written there, since I've just recognized the rightmost character, 天. It's a carving in my grandfather's house.





UPDATE


The 1st character: 敘 | 叙 (xù) 
The 2nd character: 樂 | 乐 (lè)
The 3rd character: 倫 | 伦 (lún)
The 4th character: 天 (tiān)


I've tried to show it to my 老师, who comes from the Guangdong province, and she said that the characters are read from right to left (since it is the old way of writing on carvings), and she has guessing the meaning of that sentence is (if I remember correctly): "All generations of this family will always be happy".
I'm quite sure it is 天伦乐叙. Search for 天伦乐叙、乐叙天伦、天伦叙乐 on google or baidu, there are many results. Like this.