I am back in Buenos Aires after going to the end of the world (Tierra del Fuego) and Patagonia with my father, Laura and Cristina.

We were not hugely impressed with Tierra del Fuego, even though knowing to be at the end of the world feels really special, but we loved loved loved Patagonia and its glaciers.

Perito Moreno Glacier leaves you with your mouth open for ages. No picture will ever do it any justice. It's so majestic and stunning. The ice changes colours from white to grey and blue and the sound of breaking ice is like a huge explosion. It gives you a clear idea of the glacier's size.

It felt also a bit sad as this was my last trip before coming back home (although I'm still not clear about where home will be) in April, so in a sense it was the end of my round the world trip.

I was really looking forward to coming back to BA though as I started volunteering for an orphanage for teenagers and I am absolutely loving it.

I like teenagers, even when they are angry. And they are. At least 6 ot 7 times a day.

Observing them is really fascinating as it is being observed by them. We're at a stage now in which they are opening up but they're still not too sure whether or not they can trust me, so their behaviour is quite funny at the moment.

My official job is to teach them English and help them with any other homework. To some of them I teach how to read, write and count, which is really sad considering that the youngest one is 14 years old.

My unofficial tasks are listening to problems of the heart (e.g. girl: "I like him but he is not mature", me:"don't mean to be cynical honey, but you'd better get used to it, you'll still believe so in 20 years time"), teaching them exercises to get flat bellies, telling them what they can't eat if they want to be spotfree.

It's fun and different every day. Of course sometimes it's quite tough as they tell you bits and pieces of their stories and they're never easy ones, but they are so full of life and energy that sadness quickly turns into hope and change.

I love it. I makes me feel so very alive too.