A float made of oranges and lemons participates in night parade during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A sculpture made of lemons and oranges is presented during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A performer dances during the night parade of the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A float made of oranges and lemons participates in night parade during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A performer dances during the night parade of the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A float made of oranges and lemons participates in night parade during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A sculpture made of lemons and oranges is presented during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A sculpture made of lemons and oranges is presented during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

Sculptures made of lemons and oranges are presented during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A sculpture made of lemons and oranges is presented during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A float made of oranges and lemons participates in night parade during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)

A float made of oranges and lemons participates in night parade during the 87th Lemon Festival in Menton, southern France, Feb. 20, 2020. With the theme of "World Festivals", the festival runs from Feb.15 to March 3 this year. Menton is renowned for its citric fruit industry, boosted by a temperate Mediterranean climate. (Photo by Serge Haouzi/Xinhua)