What a big boy! And a big girl!

Today I was cleaning up and putting things away when I hear a status report from Than about Emi (as usual): "Emi crawling!" Few minutes later I hear, "Emi standing!" A few moments, "Emi standing!" I said "Oh, Emi's standing?" "Yeah." "Ok, I'm coming." Then I come around the corner in the hallway and see this: