spring up

By 2014, he had become the face of the Umbrella Movement, a mass student protest with the umbrella as a symbol, which sprang up alongside the Occupy Central sit-in.

"A black market has sprung up for infant milk, and it is one of the most commonly shoplifted items," he said.

As a result, many scam websites have sprung up, trying to take advantage of people looking for a good deal on an expensive item.

Similar campaigns against data centres are springing up all over the world, including in the Republic of Ireland, where such facilities use 21% of the country’s electricity.

Straddling the border between West Hollywood and Los Angeles, it backed up against L.A.’s burgeoning Sycamore District that includes upmarket stores, restaurants and art galleries that have sprung up in the former industrial district.