He said he's seen his bookings multiply, with Americans traveling again to France despite fears of the new variant first seen in Hong Kong and southern Africa.
One Friday morning (December 17), Calvo toured mother and daughter Christine and Lori Eves, from Long Island, New York, at a relatively-empty Versailles chateau.
His business was severely hit by several COVID lockdowns and international travel restrictions, forcing him to let go of 10 freelance guides.
But France's high vaccination rate and strict health measures are reassuring to American tourists, said Calvo, who added that his bookings are again picking up.
American tourists comprised 7.3% of the international tourists as of October 2021, and between November and the start of December, grew four to five times compared to the same time last year during the pandemic.