La saison d'escalade au printemps commence fin avril et atteint son pic la dernière semaine de mai.

People wearing protective face masks visit the department store Le Printemps Haussmann as shops reopen doors after weeks of lockdown to combat a resurgence of the coronavirus disease (COVID-19) outbreak, in Paris, France, November 28, 2020. REUTERS/Christian Hartmann

A woman wearing a protective face mask visits the department store Le Printemps Haussmann as shops reopen doors after weeks of lockdown to combat a resurgence of the coronavirus disease (COVID-19) outbreak, in Paris, France, November 28, 2020. REUTERS/Christian Hartmann

People wearing protective face masks visit the department store Le Printemps Haussmann as shops reopen doors after weeks of lockdown to combat a resurgence of the coronavirus disease (COVID-19) outbreak, in Paris, France, November 28, 2020. REUTERS/Christian Hartmann

A woman takes a picture of a window display at the Printemps department store where lights are switched on for the Christmas season in Paris, France, November 17, 2020. REUTERS/Benoit Tessier

A Teddy bear is seen in a closed Printemps department store where lights are switched on for the Christmas season in Paris, France, November 17, 2020. REUTERS/Benoit Tessier

A man wearing a protective face mask stands in front of a window display at the Printemps department store where lights are switched on for the Christmas season in Paris, France, November 17, 2020. REUTERS/Benoit Tessier

A man wearing a protective face mask stands in front of a window display at the Printemps department store where lights are switched on for the Christmas season in Paris, France, November 17, 2020. REUTERS/Benoit Tessier

People stand in front of a window display at the Printemps department store where lights are switched on for the Christmas season in Paris, France, November 17, 2020. REUTERS/Benoit Tessier

A pedestrian and her dog stand in front of a window display at the Printemps department store where lights are switched on for the Christmas season in Paris, France, November 17, 2020. REUTERS/Benoit Tessier

Pedestrians walk past a window display at the Printemps department store where lights are switched on for the Christmas season in Paris, France, November 17, 2020. REUTERS/Benoit Tessier

A window display is pictured at the Printemps department store where lights are switched on for the Christmas season in Paris, France, November 17, 2020. REUTERS/Benoit Tessier

People, wearing protective face masks, walk past the department store Le Printemps Haussmann decorated with a discount sign in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Women, wearing protective face masks, walk past the department store Le Printemps Haussmann decorated with a discount sign in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

A man, wearing a protective face mask, walks past a discount sign displayed outside the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Shoes with discount signs are displayed at the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

An employee, wearing a protective face mask, checks bags with discount signs at the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

A customer, wearing a protective face mask, looks at bags with discount signs inside the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

A customer, wearing a protective face mask, looks at bags with discount signs inside the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Clothes with discount signs are displayed at the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Clothes with discount signs are displayed at the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Shoes with discount signs are displayed at the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Clothes with discount signs are displayed at the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

A woman, wearing a protective face masks, looks at shoes with discount signs inside the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Customers, wearing protective face masks, line up in front of a Chanel shop inside the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Shoes with discount signs are displayed at the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Shoes with discount signs are displayed at the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Employees, wearing protective face masks, applaud to welcome clients inside the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

People wearing protective face masks wait before the opening of the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

An employee puts discount signs on bags before the opening of the department store Le Printemps Haussmann in Paris on the first day of summer sales following the outbreak of the coronavirus disease (COVID-19) in France, July 15, 2020. REUTERS/Gonzalo Fuentes

Aretra Warren hugs activist Pheonix Printemps after Pritemps spoke at a demonstration against racial inequality in the aftermath of the death in Minneapolis police custody of George Floyd, in Boston, Massachusetts, U.S., June 21, 2020. REUTERS/Brian Snyder

A combination photo shows the deserted streets near the closed Galeries Lafayette department store in Paris during a lockdown imposed to slow the rate of the coronavirus disease on March 27, 2020 (top) and people cross the street in front of the Printemps Department Store in Paris following the outbreak of Coronavirus disease (COVID-19) in France, June 2, 2020 (bottom). REUTERS/Charles Platiau

People cross the street in front of the Printemps Department Store following the outbreak of the coronavirus disease (COVID-19) in Paris, France, June 2, 2020. Picture taken June 2, 2020. REUTERS/Charles Platiau

A customer, wearing a protective face mask, is reflected in a mirror as she stands on an escalator inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Customers, wearing protective face masks, are reflected in a mirror as they stand on an escalator inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes TPX IMAGES OF THE DAY

Staff members, wearing protective face masks, stand in front of a Gucci shop inside the department store Le Printemps Haussmann before its reopening in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

An employee, wearing a protective face mask, sprays disinfectant on a shelf with shoes on display inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Staff members, wearing protective face masks, stand at the reception desk inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Customers, wearing protective face masks, look at their mobile phone as they line up in front of shops inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Customers, wearing protective face masks, stand in front of a Louis Vuitton shop inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

A security member and customers, wearing protective face masks, use escalators inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Staff members, wearing protective face masks, stand in front of a Gucci shop inside the department store Le Printemps Haussmann before its reopening in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Staff members, wearing protective face masks, stand in front of a Gucci shop inside the department store Le Printemps Haussmann before its reopening in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Customers, wearing protective face masks, maintain social distancing as they line up in front of a Louis Vuitton shop inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

A customer, wearing a protective face mask, stands in front of a Louis Vuitton shop inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Customers, wearing protective face masks, stand in front of a Louis Vuitton shop inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Customers, wearing protective face masks, queue in line in front of a Louis Vuitton shop inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

A Burberry logo is seen inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Customers, wearing protective face masks, queue in line in front of a Louis Vuitton shop inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

People, wearing protective face masks, clean their hands with disinfectant before entering inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Staff members, wearing protective face masks, stand in front of a Gucci shop inside the department store Le Printemps Haussmann before its reopening in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Clients, wearing protective face masks, queue in line in front of a Louis Vuitton shop inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Staff members, wearing protective face masks, stand in front of a Gucci shop inside the department store Le Printemps Haussmann before its reopening in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

People, wearing protective face masks, clean their hands with disinfectant before entering inside the department store Le Printemps Haussmann in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Staff members, wearing protective face masks, stand in front of a Gucci shop inside the department store Le Printemps Haussmann before its reopening in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

Staff members, wearing protective face masks, stand in front of a Gucci shop inside the department store Le Printemps Haussmann before its reopening in Paris as France eases gradually its lockdown measures and restrictions following the outbreak of the coronavirus disease (COVID-19) in France, May 28, 2020. REUTERS/Gonzalo Fuentes

A cyclict rides on a deserted street past the closed Printemps Department Store during the outbreak of the coronavirus disease (COVID-19) in Paris, France, April 30, 2020. REUTERS/Charles Platiau

A discount sale tag is pictured at the Printemps department store on the first day of winter sales in Paris, France, January 8, 2020. REUTERS/Benoit Tessier

French Interior Minister Christophe Castaner speaks with Printemps-Haussmann managing director Pierre Pelarrey during a visit at Paris department store, France, December 20, 2018. REUTERS/Charles Platiau/Pool

Protesters wearing yellow vests face off with French gendarmes near the Printemps Department Store during a national day of protest by the "yellow vests" movement in Paris, France, December 8, 2018. REUTERS/Stephane Mahe