Turkey's President Recep Tayyip Erdogan, center, joins hundreds of mourners who attend the funeral prayers for nine members of Alemdar family killed in a collapsed apartment building, in Istanbul, Saturday, Feb. 9, 2019. Erdogan says there are "many lessons to learn" from the collapse of a residential building in Istanbul where at least 17 people have died.
Turkey's President Recep Tayyip Erdogan, center, joins hundreds of mourners who attend the funeral prayers for nine members of Alemdar family killed in a collapsed apartment building, in Istanbul, Saturday, Feb. 9, 2019. Erdogan says there are "many lessons to learn" from the collapse of a residential building in Istanbul where at least 17 people have died. Emrah Gurel AP Photo
Turkey's President Recep Tayyip Erdogan, center, joins hundreds of mourners who attend the funeral prayers for nine members of Alemdar family killed in a collapsed apartment building, in Istanbul, Saturday, Feb. 9, 2019. Erdogan says there are "many lessons to learn" from the collapse of a residential building in Istanbul where at least 17 people have died. Emrah Gurel AP Photo