Hyatt Hotel, other tower blocks and older church at the junction of Russell and Collins Streets in the city centre, Melbourne, Victoria, Australia

Tenement block traditional chawl housing scheme with air conditioning units and man in window in Parel area of Mumbai, India

Old traditional tenement housing in the shadow of new modern high rise apartment blocks at Mahalaxmi in Mumbai, Maharashtra, India

Slum housing and slum dwellers next to apartment blocks in Bandra area of Mumbai, India from Bandra Worli Sealink Road

Tenement block in Mumbai, formerly Bombay, Maharashtra, India

Shanghai skyline of high rise apartment blocks seen from the Oriental Pearl Television Tower, China

View of apartment blocks in Xian seen from the Dayan Pagoda, China

Solar panels on rooftops of apartment blocks in Xian seen from the Dayan Pagoda, China

Reestaurant at Mashatu Lounge Main Camp, Mashatu Game Reserve, Tuli Block, Botswana, Africa

Reestaurant at Mashatu Lounge Main Camp, Mashatu Game Reserve, Tuli Block, Botswana, Africa

Hotel made of ice, Arctic Snow Hotel, Rovaniemi, Finland

Aerial photo, Mensa, Audi-Max, tower blocks, pre-fabs, student accommodation at the RUB Ruhr University, Hustadt, Bochum, Ruhr area, North Rhine-Westphalia, Germany, Europe

Aerial photo, tower blocks, prefabs, student accommodation at the RUB Ruhr University, Hustadt, Bochum, Ruhr area, North Rhine-Westphalia, Germany, Europe

Log cabin Becker Chalets, Jasper National Park, Canadian Rockies, Rocky Mountains, Alberta, Canada

Log cabins Becker Chalets, Jasper National Park, Canadian Rockies, Rocky Mountains, Alberta, Canada

Interior view, living area, log cabin Becker Chalets, Jasper National Park, Canadian Rockies, Rocky Mountains, Alberta, Canada

Log cabins Becker Chalets, Jasper National Park, Canadian Rockies, Rocky Mountains, Alberta, Canada

Old Motel Sign, Edmonton, Alberta, Canada

Poland, Auschwitz-Birkenau State Museum, Birkenau Concentration Camp, Ruins of former accommodation blocks surrounded by barbed wire fencing.