Inspired by Covid-19's long lockdowns and safety concerns, cities are implementing pedestrian-friendly initiatives and pushing for more car-free spaces.
The search for a treasure that has claimed thousands of lives leads to a modern day lake near Bogota, Colombia.
Every Sunday, the Colombian capital closes more than 100km of roads to motor vehicles, and a wildebeest-worthy migration of bikes takes over the city.
Have book and pen, will travel.
