On May 22, the temperature in Hanoi was at 36-38 degrees Celsius, children, young people, women … Sai Son commune (Quoc Oai district) went swimming at Long Tri Lake in the relic of Thay Pagoda. The lake has a history of more than 1,000 years, famous as a place to relax and enjoy the people around the commune every summer. In the summer and afternoon, the large yard with a cool lake is the place where countless activities such as soccer, swimming… This year, due to the complicated situation of the Covid-19 epidemic, the temple management set up barricades. two aisles, not accepting guests. However, some people climbed over the fence to get inside. Recently, when the ponds and lakes in Sai Son commune were gradually filled, the number of people flocking to Long Tri lake increased. In addition, the wastewater system of surrounding houses is redirected, not discharged into the lake, keeping the water clean, so people can swim with peace of mind. The temperature of the day at its peak reached 38 degrees Celsius, many young children could not sit still at home to suffer the sweltering heat. The cool water attracts enough from children, young people… to women in the village. Do Do (2nd grade) lives next to the lake, every afternoon I ask my parents’ permission to come out here to swim and play with my friends. “It’s so much fun watching you guys take a bath, so I want to join in too,” Do smiled and plunged into the cool water. Quynh Nga has had several years of swimming experience at Long Tri Lake, but before leaving the house, her parents always equip her with life jackets for safety. Many children enjoy doing somersaults from above and then splashing water. People living around Long Tri Lake, who do not go swimming, also take advantage of their chairs to sit and enjoy the wind along the shore. However, unlike every year, due to the recommendation to avoid large gatherings to limit the spread of the disease, the number of people coming here has also decreased significantly.