A man floats in the waters filled with algae at a beach in Qingdao, in eastern China’s Shandong province. The algal phenomenon, an annual occurrence in Qingdao, is usually caused by an abundance of nutrients in the water, especially phosphorus
Children playing among the algae that has engulfed the beach in the city of Qingdao, in Shandong province, China
Algae blooms cover the surface of the Paddington canal basin in London, UK. Soaring temperatures along with heavy downpours have washed fertilisers into waterways and led to the larger-than-usual explosion of algae across the country.
A worker cleans algae off a fence near the coastline in Qingdao, Shandong province, China on Friday.