PHOTOS: The Summer Olympics is remaking Paris

The Olympic rings hang from the Eiffel Tower, monuments are emblazed with imagery of the Games and security gates are blocking easy access to some of the top landmarks in the City of Love.

Tightened security ahead of the opening ceremony Friday along the Seine river means both locals and the visitors who have descended on the city must navigate snaking metal barriers requiring a QR code attained in advance to pass through.

It’s challenging the Paris Olympics slogan of “Games wide...