Activist Joshua Wong addresses the crowd at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
Police officers record the activities at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
A participant holds two yellow umbrellas at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
A participant holds a yellow umbrella at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
An elderly man with a "Hong Konger" hat listens to presenters at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
A participant documents the speeches at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
Demonstrators hold up yellow umbrellas at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
A participant at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
A woman waves a British flag while police look on during an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
Demonstrators hold up signs in support of Hong Kong independence at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
A demonstrator hold up a sign declaring that Hong Kong is not part of China at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
A speaker sports a t-shirt with a hopeful message at an event commemorating the 4th anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
A yellow umbrella that symbolizes the events from four years ago on display at an event commemorating the anniversary of the Umbrella Revolution in Hong Kong on September 28, 2018.
