On the way to COP27; black is fossil, white is sun.

Here is the essence: ?

Instructive publicity

To get a taste of what is being advertised along the way (it is easy to take pictures when walking with your bicycle)

CO-Present

My bicycle in COP27 city
Very few of the free bicycles on offer here are used. Many cars, minibuses and buses are used so people can sit, sit and sit.