A semi truck parts the clouds on Highway 5 from LA to San Francisco.

A semi truck parts the clouds on Highway 5 from LA to San Francisco.

Children walk down the street in Juba

Children walk down the street in Juba

Children walk down the street in Juba

A welder gets to work while his dog keeps watch in Bo Kaap, Cape

A welder gets to work while his dog keeps watch in Bo Kaap, Cape

A welder gets to work while his dog keeps watch in Bo Kaap, Cape Town.

Iceland killer whale pod

Iceland killer whale pod

Orca swim off the coast of Iceland, a relatively rare sighting during the winter months.

 A bridge crossing Regent's Canal London,

A bridge crossing Regent's Canal London,

 Graffiti artists put up work in a tunnel in London

Graffiti artists put up work in a tunnel in London

 A dog tries to escape through a water drain on Po Fook Hill at Pai Tau Village, Sha Tin in the New Territories, Hong Kong

A dog tries to escape through a water drain on Po Fook Hill at Pai Tau Village, Sha Tin in the New Territories, Hong Kong

 Mong Kok Market, Hong Kong

Mong Kok Market, Hong Kong

 Commuters keep an eye on a tablet, phone and newspaper aboard a ferry to Hong Kong Island, Hong Kong

Commuters keep an eye on a tablet, phone and newspaper aboard a ferry to Hong Kong Island, Hong Kong

 A South Sudanese girl in a shantytown on the southern outskirts of Khartoum

A South Sudanese girl in a shantytown on the southern outskirts of Khartoum

 A church seen during a haboob, or dust storm, in Cairo

A church seen during a haboob, or dust storm, in Cairo

 Garbage collectors on a horse-drawn cart in Mounira, Cairo, June 28, 2015.

Garbage collectors on a horse-drawn cart in Mounira, Cairo, June 28, 2015.

 My brother Samir at my apartment in Garden City, Cairo, August 1, 2015.

My brother Samir at my apartment in Garden City, Cairo, August 1, 2015.