A box in the shape of a red heart is displayed in the window of a restaurant on the eve of Valentine's Day on February 13, 2019 in Paris. Valentine's Day is a celebration of love and romance for many people across the world. (Photo: VCG)

A couple kiss in front of 'The Wall of I Love You' (Le mur des je t’aime) on the eve of Valentine's Day on February 13, 2019 in Paris. 'The Wall of I Love You’, located on the hill Montmartre, is a space dedicated to lovers around the world, where words of love are combined in all languages. Valentine's Day is a celebration of love and romance for many people across the world. (Photo: VCG)

Red hearts and red roses are displayed in the window of a restaurant on the eve of the Valentine's Day on February 13, 2019 in Paris. (Photo: VCG)

An artwork entitled 'Le cœur de Paris' by Portuguese artist Joana Vasconcelos is displayed at Porte de Clignancourt on the eve of Valentine's Day on February 13, 2019 in Paris. 'The Heart of Paris' representing a red heart is the first work of Vasconcelos permanently installed at a Parisian public space. Valentine's Day is a celebration of love and romance for many people across the world. (Photo: VCG)