During our lunchtime, Pedro Alves and I, inadvertently, took Richard Aitken, the garden expert, to one of the least gardeny parts of Lisboa – the densely packed Castle district – for a sketch from above.

One thing that relates Poland with Portugal is that they usually show up next to each other in drop-down lists when filling online registration forms.

Last week, Liz Steel and Marc Taro Holmes challenged sketchers worldwide to spend a workweek sketching one hundred people.

Thousands of people took the challenge worldwide. Liz and Marc can be proud that they made the world sketch quickly and loosely for a single week.