Thea has been thinking about walking for a bit and doing the occasional step when she absoutely needed to, but on the whole, she has been resolute that the fastest way of geting anywhere is to crawl. And she is quite right, she crawls extremely quickly (like a prancing pony, Grandpa Beard says!).
But over the last couple of days she has suddenly seen the use of walking, and got really into it. Here is the proof: