A Hmong woman and a Vietnamese man walking in the mist in Sapa, Vietnam

A Hmong woman and a Vietnamese man walking in the mist in Sapa, Vietnam in January 2012

Two Hmong girls in traditional dress in Sapa, Vietnam

Two Hmong girls in traditional dress in Sapa, Vietnam in January 2012

Woman dressed up against the cold in Sapa, Vietnam

Woman dressed up against the cold in Sapa, Vietnam in January 2012

Hmong woman in traditional dress on the back of a motorbike in Sapa, Vietnam

Hmong woman in traditional dress on the back of a motorbike in Sapa, Vietnam in January 2012

A pretty Vietnamese woman in Sapa, Vietnam

A pretty Vietnamese woman in Sapa, Vietnam in January 2012

Hmong women and a child in the cold in Sapa, Vietnam

Hmong women and a child in the cold in Sapa, Vietnam in January 2012

Hmong women eating sugar cane in Sapa, Vietnam

Hmong women eating sugar cane in Sapa, Vietnam in January 2012

Hmong women with an umbrella in Sapa, Vietnam

Hmong women with an umbrella in Sapa, Vietnam in January 2012

Two women rugged up against the cold in Sapa, Vietnam

Two women rugged up against the cold in Sapa, Vietnam in January 2012

Two girls, one with a baby on her back in Sapa, Vietnam

Two girls, one with a baby on her back in Sapa, Vietnam in January 2012

A young girl with a baby on her back in Sapa, Vietnam

A young girl with a baby on her back in Sapa, Vietnam in January 2012

An old car in Clarens, South Africa

An old car in Clarens, South Africa in February 2015

Trees and snow reflected in the Danube River in Budapest, Hungary

Trees and snow reflected in the Danube River in Budapest, Hungary in January 2014

A snowy path alongside the Danube River in Budapest, Hungary

A snowy path alongside the Danube River in Budapest, Hungary in January 2014

Young women in the snow in Budapest, Hungary

Young women in the snow in Budapest, Hungary in January 2014

A dog in the snow in Budapest, Hungary

A dog in the snow in Budapest, Hungary in January 2014

A Thai post sign on Phu Rea mountain in Loei Province, Thailand. The coldest place in Siam

A Thai post sign on  Phu Rea mountain in Loei Province, Thailand in June 2016. The coldest place in Siam

Young women dressed up against the cold in Sapa, Vietnam

Young women dressed up against the cold  in Sapa, Vietnam in January 2012

People in Sapa, Vietnam in January 2012

People in Sapa, Vietnam in January 2012

Young men in Sapa, Vietnam

Young men in Sapa, Vietnam in January 2012