Wearing a face covering in closed public spaces has been mandatory in France since July 21.
Electric scooters are helping people move about a massively congested cities with underdeveloped public transport—but poor regulation means accidents and injuries are rife.
System change can sound scary, but as the current system drives social injustice and environmental destruction, a new approach to address both is called for.
"I will ride the public transport with the townspeople to experience the difficult sections and assess traffic capacity," Mayor Mikhail Isayev insisted.
Engineering and psychology research can help improve evacuation procedures in subway attacks, like the recent St Petersburg bombing.
Wheelchair user Doug Paulley was unable to travel on a bus to Leeds in 2012.