"Kali Yuga" means "age of Kali". According to Wikipédia, the Kali Yuga symptoms are rulers who levy taxes unfairly, unprotected people who start migrating seeking better country, men displaying animosity against each other and so on…

This picture was shot in Benares : a sadhu comes every now and then in the shape of Kali, asking "dakshina", or "gift" to the shop-keeper.

For more info about vedic conception of time :
en.wikipedia.org/wiki/Yugas

About Kali Yuga :
en.wikipedia.org/wiki/Kali_Yuga

This photo was taken by eli and found here.
It is licensed under All rights reserved.