ANKARA, TURKEY - JUNE 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, arrive at Esenboga Airport with an ambulance plane of Turkey's Health Ministry in Ankara, Turkey on June 10, 2020. ( Doğukan Keskinkılıç - Anadolu Agency )

ANKARA, TURKEY - JUNE 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, arrive at Esenboga Airport with an ambulance plane of Turkey's Health Ministry in Ankara, Turkey on June 10, 2020. ( Doğukan Keskinkılıç - Anadolu Agency )

ANKARA, TURKEY - JUNE 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, arrive at Esenboga Airport with an ambulance plane of Turkey's Health Ministry in Ankara, Turkey on June 10, 2020. ( Doğukan Keskinkılıç - Anadolu Agency )

ANKARA, TURKEY - JUNE 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, arrive at Esenboga Airport with an ambulance plane of Turkey's Health Ministry in Ankara, Turkey on June 10, 2020. ( Doğukan Keskinkılıç - Anadolu Agency )

ANKARA, TURKEY - JUNE 10: An ambulance plane of Turkey's Health Ministry, carrying conjoined twins Derman and Yigit, who were separated in London by successful operation, arrives at Esenboga Airport in Ankara, Turkey on June 10, 2020. ( Doğukan Keskinkılıç - Anadolu Agency )

LONDON, UNITED KINGDOM - JUNE 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, arrive at Esenboga Airport with an ambulance plane of Turkey's Health Ministry in Ankara, Turkey on June 10, 2020. ( Doğukan Keskinkılıç - Anadolu Agency )

LONDON, UNITED KINGDOM - JUNE 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, arrive at Esenboga Airport with an ambulance plane of Turkey's Health Ministry in Ankara, Turkey on June 10, 2020. ( Doğukan Keskinkılıç - Anadolu Agency )

LONDON, UNITED KINGDOM - JUNE 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, arrive at Esenboga Airport with an ambulance plane of Turkey's Health Ministry in Ankara, Turkey on June 10, 2020. ( Doğukan Keskinkılıç - Anadolu Agency )

LONDON, TURKEY - 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, return to Turkey with their parents by an ambulance aircraft of Turkey's Health Ministry from Luton Airport in London, United Kingdom on June 10, 2020. ( İlyas Tayfun Salcı - Anadolu Agency )

LONDON, TURKEY - 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, return to Turkey with their parents by an ambulance aircraft of Turkey's Health Ministry from Luton Airport in London, United Kingdom on June 10, 2020. ( İlyas Tayfun Salcı - Anadolu Agency )

LONDON, TURKEY - 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, return to Turkey with their parents by an ambulance aircraft of Turkey's Health Ministry from Luton Airport in London, United Kingdom on June 10, 2020. ( İlyas Tayfun Salcı - Anadolu Agency )

LONDON, TURKEY - 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, return to Turkey with their parents by an ambulance aircraft of Turkey's Health Ministry from Luton Airport in London, United Kingdom on June 10, 2020. ( İlyas Tayfun Salcı - Anadolu Agency )

LONDON, TURKEY - 10: Conjoined twins Derman and Yigit, who were separated in London by successful operation, are seen before their journey back to Turkey, at Luton Airport in London, United Kingdom on June 10, 2020. ( İlyas Tayfun Salcı - Anadolu Agency )

LONDON, TURKEY - 10: Turkish Ambassador in London Umit Yalcin bids farewell conjoined twins Derman and Yigit, who were separated in London by successful operation, with their parents at Luton Airport in London, United Kingdom on June 10, 2020. ( İlyas Tayfun Salcı - Anadolu Agency )

LONDON, TURKEY - 10: Turkish Ambassador Umit Yalcin (not seen) and Consul General in London Cinar Engin (C) bid farewell conjoined twins Derman and Yigit, who were separated in London by successful operation, with their parents at Luton Airport in London, United Kingdom on June 10, 2020. ( İlyas Tayfun Salcı - Anadolu Agency )