Participants of a relay run do a jump shot during a ceremony organized by the Hong Kong Celebrations Association at the Hong Kong Convention and Exhibition Centre on July 1, 2021, in celebration of the 24th anniversary of Hong Kong's return to the motherland and the 100th anniversary of the Communist Party of China. (EDMOND TANG / CHINA DAILY)

HONG KONG — Hong Kong residents on Thursday celebrated the 100th anniversary of the founding of the Communist Party of China and the 24th anniversary of the city's return to the motherland.

Hundreds of fishing boats decorated with celebratory messages cruised along Victoria Harbour to mark the two occasions.

Trams decorated in red and gold with CPC elements offered free rides for the entire day.

Meanwhile, Hongkong Post released a commemorative stamp issue and associated philatelic products on the theme of the CPC’s centenary.

A fishing boat decorated with colorful flags and celebratory messages cruises along Victoria Harbour, Hong Kong, on July 1, 2021, in celebration of the 24th anniversary of Hong Kong's return to the motherland and the 100th anniversary of the Communist Party of China. (RAYMOND CHAN / CHINA DAILY)

A man takes a selfie as a fishing boat cruises along Victoria Harbour, Hong Kong, on July 1, 2021, in celebration of the 24th anniversary of Hong Kong's return to the motherland and the 100th anniversary of the Communist Party of China. (RAYMOND CHAN / CHINA DAILY)

Fishing boats take part in a parade celebrating the 100th anniversary of the founding of the Communist Party of China (CPC) and the 24th anniversary of Hong Kong's return to the motherland, in Hong Kong, on July 1, 2021. A building with a celebratory message marking the CPC's centenary is seen in the background. (CALVIN NG / CHINA DAILY)

A tram, decorated with celebratory messages to mark the 100th anniversary of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland, travels in Hong Kong on July 1, 2021. (CALVIN NG / CHINA DAILY)

People alight from a tram decorated in red and gold to celebrate the 100th anniversary of the the founding of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland, in Hong Kong, July 1, 2021. (CALVIN NG / CHINA DAILY)

A lady takes a photo of a tram decorated in red and gold in celebration of the 100th anniversary of the founding of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland, in Hong Kong, July 1, 2021. (CALVIN NG / CHINA DAILY)

A national flag and flags of the Hong Kong Special Administrative Region flutters as a tram, decorated in red and gold in celebration of the 100th anniversary of the founding of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland, travels in Hong Kong, July 1, 2021. (CALVIN NG / CHINA DAILY)

A lady holds up a presentation pack that comes with a set of four commemorative stamps and a stamp sheetlet on the theme of the 100th anniversary of the Communist Party of China, at Hong Kong General Post Office in Central, July 1, 2021. (CALVIN NG / CHINA DAILY)

A resident holds up a set of commemorative stamps on the theme of the 100th anniversary of the Communist Party of China, at Hong Kong General Post Office in Central, July 1, 2021. (CALVIN NG / CHINA DAILY)

A resident pastes a commemorative stamp on the theme of the 100th anniversary of the Communist Party of China on an envelop at Hong Kong General Post Office in Central, July 1, 2021. (CALVIN NG / CHINA DAILY)

Students, parents and teachers prepare to form a huge puzzle with celebratory messages to mark the 100th anniversary of the founding of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland, at Hon Wah College in Siu Sai Wan, Hong Kong, on July 1, 2021. (EDMOND TANG / CHINA DAILY)

Students, parents and teachers hold up plastic boards to form a huge puzzle with celebratory messages to mark the 100th anniversary of the founding of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland, at Hon Wah College in Siu Sai Wan, Hong Kong, on July 1, 2021. (EDMOND TANG / CHINA DAILY)

Students, parents and teachers form a huge puzzle with celebratory messages to mark the 100th anniversary of the founding of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland, at Hon Wah College in Siu Sai Wan, Hong Kong, on July 1, 2021. (EDMOND TANG / CHINA DAILY)

Residents display a huge national flag measuring 20m x 30m during an event celebrating the 100th anniversary of the founding of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland at the Hang Hau Sports Centre Sports Gym in Tseung Kwan O, Hong Kong, on July 1, 2021. The event was held by the New Territory Celebrations Association. (RAYMOND CHAN / CHINA DAILY)

Residents perform during an event celebrating the 100th anniversary of the founding of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland at the Hang Hau Sports Centre Sports Gym in Tseung Kwan O, Hong Kong, on July 1, 2021. (RAYMOND CHAN / CHINA DAILY)

Children perform during an event celebrating the 100th anniversary of the founding of the Communist Party of China and the 24th anniversary of Hong Kong's return to the motherland at the Hang Hau Sports Centre Sports Gym in Tseung Kwan O, Hong Kong, on July 1, 2021. (RAYMOND CHAN / CHINA DAILY)