Adha, a period of "communal enjoyment" for Muslims worldwide, has officially arrived. Here's what we've learned about the Islamic holiday.

From prayers to grand feasts and vibrant streets, these photos show how Eid al-Adha unfolded with different tones and rituals across borders.

Less spending, higher prices and fewer animal sacrifices subdued the usual festive mood as the Muslim holiday of Eid al-Adha was celebrated in many parts of the world.