The best way to explore the country’s third-largest metropolis is on foot; a stroll through the diminutive city will take you past most of the historical sites, including the Old Town and Rhine River.
But this comes at a terrible cost. The composition of the oceans is changing to become more acidic, threatening the tremendous diversity of creatures that call them home.
I feel smugger still as the aroma of fresh coffee heralds the arrival of the drinks service. Swiss friends often tell me, proudly, that their rail service is the best in the world, but recently, the Swiss love affair with their railway has turned a little sour.
And then, there is me. One frosty morning I arrived at my local station to find that the ticket machine was broken. No matter, I thought, I have got a smartphone, and I hurriedly set about buying my ticket that way
The good people there tell me the formal payment for my ticket from my credit card company arrived four minutes after my train left the station. That means, they say, that I bought my ticket on the train - and that is not allowed.
The BBC's Stephen Evans in Berlin says using cameras to film people surreptitiously is a sensitive issue in Germany, where privacy is very highly valued.
The drone issue is also sensitive in Germany because earlier this month the defence ministry halted an expensive project to develop Germany's own surveillance drone, called Euro Hawk.
So Germany seems to be entering a legal grey area - it is not clear when the flight of a drone may become so extensive that the wider authorities need to intervene, Stephen Evans reports.
The research effort to create the Rosphere is part of a larger European Commission funded project which is looking to make fleets of robots to help on farms.
There will now be further negotiations with the Council - the grouping of relevant EU ministers. MEPs may manage to avoid a second vote and fast-track the legislation so that it is adopted before the May 2014 European elections.
t is absolutely unacceptable to have Russian boots on the Ukrainian ground in the 21st century, violating all international deals and treaties," he said.
