11.40 am: Pouring rain today so we visited Berlin Seaworld this morning with the girls. It took a while to get reacquainted with Berlin's quite complicated public transport system, so we made some extra meters while trying to keep the girls covered up in their rain gear while wielding an umbrella to keep ourselves dry (we gave up the latter pretty soon). Luckily the girls loved the aquariums and all the fish so a wonderful time was had by all. This afternoon we kept it pretty quiet. We spent most of our time in the fabulous apartment - a bit of reading, playing with the girls, chilling out and taking long baths.
Thanks everyone for commenting. I won't be able to reciprocate much this week as city vacationing with two small children is quite intensive. Besides that I want to limit my computer time as much as possible while on holiday :)