A sailboat with celebratory posters marking the 25th anniversary of Hong Kong's return to the motherland sails at the Victoria Harbour in Hong Kong, south China, June 23, 2022.

　　July 1 this year marks the 25th anniversary of Hong Kong's return to the motherland. (Xinhua/Lo Ping Fai)

　　A screen marking the 25th anniversary of Hong Kong's return to the motherland is seen on a building in Hong Kong, south China, June 23, 2022.

　　July 1 this year marks the 25th anniversary of Hong Kong's return to the motherland. (Xinhua/Lo Ping Fai)

　　A screen marking the 25th anniversary of Hong Kong's return to the motherland is seen in Hong Kong, south China, June 23, 2022.

　　July 1 this year marks the 25th anniversary of Hong Kong's return to the motherland. (Xinhua/Lo Ping Fai)

　　Celebratory posters marking the 25th anniversary of Hong Kong's return to the motherland are seen on an overbridge in Hong Kong, south China, June 23, 2022.

　　July 1 this year marks the 25th anniversary of Hong Kong's return to the motherland. (Xinhua/Lo Ping Fai)

　　A celebratory poster marking the 25th anniversary of Hong Kong's return to the motherland is seen on a building in Hong Kong, south China, June 23, 2022.

　　July 1 this year marks the 25th anniversary of Hong Kong's return to the motherland. (Xinhua/Lo Ping Fai)