Demonstrators of all ages move along Whitehall towards Westminster.
White many subjects - from inequality to Brexit – were evoked in the recent London demonstrator's placards, the majority of the young people held signs squarely aimed at the issue at large.
Crowds gather in Victoria Tower Gardens, on the banks of the Thames.
Many of the demonstrators were students, many of whom had staged walk-outs from lessons to attend.
The demonstration saw a diverse turnout, with most protesting about climate change but other issues currently in the news – from capitalism to Brexit.
Chalk slogans on the floor in chalk beneath Rodin's the Burghers of Calais.
Young people occupied Rodin's The Burghers of Calais sculpture, using it as a podium from which to wave placards.
Young demonstrators lie on the road near Whitehall.