New Delhi, India (REUTERS/B Mathur)

Mexico City, Mexico (REUTERS/Daniel Aguilar)

Bangkok's Royal Plaza, Thailand (REUTERS/Adrees Latif)

Beijing, China (REUTERS/Joe Chan)

Kiev, Ukraine (REUTERS/Gleb Garanich)

New Delhi, India (REUTERS/Adnan Abidi)

New Delhi, India (REUTERS/Parivartan Sharma)

Ankara, Turkey (REUTERS/Mark Blinch)

Tehran, Iran (REUTERS)

Cairo, Egypt (REUTERS/Sherif Abd Monam/Egyptian Presidency)

Nanjing, China (REUTERS/Leo Lang)