DAMASCUS, SYRIA - JUNE 30 : Children play with throwing ball game at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : Children play with a table football at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : Children look at an aquarium at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : Children are seen in a toy room at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : A boy is seen in a toy plane at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : A boy is seen in a toy plane at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : Family members and children are seen at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : Children drive a toy car at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : Children are seen at the entrance of an adventure room at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : Children wait to sit on chairs at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : A girl buys a box of pop corn at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : Children play with a toy car at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )

DAMASCUS, SYRIA - JUNE 30 : Children play inside a ball pool at 'Childhood Land', a safer underground playing field for Syrian children at Duma district which is under blockade for last 4 years by Assad regime and its supporter foreign terrorist groups, in Damascus, Syria on June 30, 2017. At the playground children have chance to play balls, ferris wheel, dress up, ride swings, bouncy toys and board a small merry-go-round. ( Yusuf el Bustani - Anadolu Agency )