It is not brainwork but the works that are performed by the head, in literal sense.

Black Thai women in Que Phong district, the central province of Nghe An use their heads to carry goods.

H’mong people in the northern province of Lao Cai use their head to carry things to market.

Boarders in Lao Cai carry rice to school.

This Rag Lai ethnic student in the central province of Khanh Hoa goes to school with books on his head.

Workers carry 50kg cement bags to Yen Tu Mount, to build a cable-car system.

La Chi ethnic women in the northern province of Ha Giang carry rice.

A pan bought from Pho Cao market, Ha Giang province, is used 
like an umbrella.

Walking a long way home, this man put the bucket that he has just bought at Meo Vac market, Ha Giang province on his head.

Women in Hanoi carry bread baskets on their heads.

This man carries a big stone statue to the Vieng market, in Nam Dinh province, 
by his head.

Source: VNN