The image shows how the phenomenon could take place in some cases.

The phenomena of the year take place every day in a pond on a small scale.

The phenomenon takes human form in a number of recent accounts reported by journalists.

The phenomena had only taken place in the last two months.

The phenomenon has taken hold of the industry too recently for the effects to be visible yet.

Same phenomena, only it takes a century more, in Boston.

This phenomenon took place at 6:38 am on 14 November 2012.

Yet each time that he stared ahead, an odd phenomenon took place.

Once more, a phenomenon which reason might have anticipated took him by surprise.

As he stared, a strange phenomenon took place before his eyes.