The Champions League is down to four, with one club from four of Europe’s top five leagues represented in the semifinals. PSG the champions of France, takes on Arsenal in London, while Barcelona hosts Inter Milan during a chaotic time for both clubs.

How does it work?Thirty-six sides entered into the new "league phase" and now just four remain with a month-and-a-half to go in the UCL campaign.Barcelona, Paris Saint-Germain, Arsenal, and Inter Milan are through to the semifinals,

Germain, and Inter Milan entertain Europe and the world as the semi-finals of the Champions League begin. All four teams will be dreaming of booking their place in the final in Munich on May 31st.