Mohammed Abu Ramadan can't afford to keep his children warm this winter so he and his sister's family in Damascus take it in turn to look after them - heating their homes only for the weeks that the young ones are staying.
Like millions of Syrians who are unable to afford - or often even to find - diesel and gas, he has been forced into innovative and desperate responses to survive a fuel crisis that is deepening hardships after more than a decade of civil war.
