About 9 metres high, 5 kilometres long and 3 metres thick, it was protected by 77 circular towers.
A dozen of large gates opened onto the major roads of the kingdom. At that time, the
city was also including many gardens and pastures essential to feed Parisians in case of siege.
As the city expanded, especially on the right bank, the wall was later replaced by the new enclosure of Charles
V. Gradually torn down, built over and swallowed up, some parts of the wall remained intact hidden by constructions until recent renovations.