PARIS — Some people laugh outright. Others raise their eyebrows or grimace. On the stone quays of the Seine, even the most passionate odes to the river’s charms tend to arrive at the same conclusion: ...

Some people laugh outright. Others raise their eyebrows or grimace. On the stone quays of the Seine, even the most passionate odes to the river’s charms tend to arrive at the same conclusion: Nope.