Before and after images show destruction caused by Turkey earthquakes
More than 2,300 people have reportedly died in the earthquakes, and the death toll is likely to continue to grow over the coming days.
Turkish President Recep Tayyip Erdogan said at least 2,818 buildings have been destroyed in Turkey, including residential structures, historic neighbourhoods, and religious buildings.
The Cukurova district in Adana, southern Turkey, was heavily damaged in the earthquake.
The Roman-era castle in Gaziantep, considered one of the best-preserved citadels in Turkey, was greatly damaged during the quakes. Images show that the damaged battlements and walls resulted in debris cascading down the side of the fort.
Parts of Turkey and Syria are considered part of the cradle of civilisation, boasting countless relics and ancient cities such as Aleppo - which was also heavily damaged during the quake.
Structures around the Ontur hotel in Iskenderun, a port city on Turkey's Mediterranean coast, were completely destroyed.
The Cathedral of the Annunciation, a 150-year-old Catholic church in Iskenderun, was among the religious buildings that were heavily damaged.
Before and after photographs of a residential and commercial street in the Turkish city of Gaziantep showed entire buildings reduced to rubble following the 7.8 magnitude earthquake.