Building collapses

Russian Emergency employees work at the scene of the collapse building of the Saint Petersburg National Research University of Information Technologies, Mechanics and Optics in St. Petersburg, Russia, Saturday, Feb. 16, 2019. Russian emergency authorities say several floors of a university building in Russia’s second-largest city have collapsed. There was no immediate information on casualties. (AP Photo/Dmitri Lovetsky)

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.(Presidential Press Service via AP, Pool)

Rescue workers continue to remove rubble from an eight-story building which collapsed two days earlier in Istanbul, Friday, Feb. 8, 2019. Turkish rescue workers on Friday pulled out a 16-year-old boy from the rubble of an eight-story apartment building in Istanbul two days after it collapsed, Turkey's interior minister Suleyman Soylu said. (AP Photo/Emrah Gurel)

Rescue workers try to remove rubble from an eight-story building which collapsed a day earlier in Istanbul, Thursday, Feb. 7, 2019. A 5-year-old girl was rescued from the rubble of the eight-story apartment building in Istanbul on Thursday, raising the number of survivors of the collapsed structure to 13. At least three people have been found dead. (AP Photo/Emrah Gurel)

Rescue workers carry 5-year old girl Havva Tekgoz, after she was pulled from the rubble of an eight-storey building, some 18-hours after it collapsed, in Istanbul, Turkey, Thursday, Feb. 7, 2019. The girl, Havva Tekgoz, was seen on Thursday being carried by stretcher to a waiting ambulance, as one person in a crowd of onlookers chanted: "God is great!." Istanbul Gov. Ali Yerlikaya told reporters early Thursday that rescue teams working overnight pulled 12 people out of the rubble with injuries and at least three people are confirmed dead. (AP Photo/Emrah Gurel)

Rescue workers try to remove rubble from an eight-storey building which collapsed a day earlier in Istanbul, Thursday, Feb. 7, 2019. An eight-storey building collapsed in Istanbul Wednesday, and Istanbul Gov. Ali Yerlikaya told reporters early Thursday that rescue teams working overnight pulled 12 people out of the rubble with injuries and at least three people are confirmed dead. (AP Photo/Emrah Gurel)

A woman reacts after rescue workers had pulled her out the rubble of an eight-story building which collapsed in Istanbul, Wednesday, Feb. 6, 2019. The eight-story building collapsed, killing at least two people and trapping several others inside the rubble, Turkish officials said. The building had 43 people living in 14 apartments, with a street-level ground floor and seven higher floors, Istanbul Gov. Ali Yerlikaya said, adding that the top three floors had been built illegally. (DHA via AP)

In this photo released by the Syrian official news agency SANA, people inspect a destroyed building where, according to SANA, the five-story building collapsed early Saturday, Feb. 2, 2019, killing most of those who were inside and only one person was rescued alive, in the northern city of Aleppo, Syria. SANA said that a building damaged during years of war in the northern city of Aleppo has collapsed killing 11 people. (SANA via AP)

A car overturned by a tornado lays smashed on top of a street pole in Havana, Cuba, Monday, Jan. 28, 2019. A tornado and pounding rains smashed into the eastern part of Cuba's capital overnight, toppling trees, bending power poles and flinging shards of metal roofing through the air as the storm cut a path of destruction across eastern Habana. (AP Photo/Ramon Espinosa)

Firefighters are resupplied as they search for victims of a dam collapse in Brumadinho, Brazil, Monday, Jan. 28, 2019. Firefighters on Monday carefully moved over treacherous mud, sometimes walking, sometimes crawling, in search of survivors or bodies four days after a dam collapse that buried mine buildings and surrounding neighborhoods with iron ore waste. (AP Photo/Leo Correa)