Venice may be famed for Saint Mark's Square or the Bridge of Sighs, but the Italian city has another jewel that is often overlooked: its lagoon.

Brazilian President Jair Bolsonaro has said it is a "lie" that fires are ravaging the Amazon rainforest, despite data from his own government showing the number of blazes is rising.

Leaderless, social media-savvy and inspired by Hong Kong's young activists, Thailand's budding pro-democracy movement is intent on overhauling the government, rewriting the constitution and even taking on a law that shields the monarchy.