Many years ago, Jim Hoffman issued a "progressive collapse challenge" on his 9-11 Research website (see quote below). "If [the WTC's] mode of structural failure is so likely to happen," he asked, "why is it so difficult to reproduce?" At the time, his target was "pancake collapse", not the ROOSD...
Source: https://www.youtube.com/watch?v=-dzNW7Hcmhw
People who think that the World Trade Center was demolished with pre-planted explosives sometimes point to flashes of light that you can see in some videos of the collapses. They say that these flashes are evidence of explosives going off...
https://en.wikipedia.org/wiki/Edif%C3%ADcio_Wilton_Paes_de_Almeida
The Wilton Paes de Almeida Building (Portuguese: Edifício Wilton Paes de Almeida) was a high-rise building in Largo do Paiçandu, São Paulo, that was built in the 1960s. It caught fire and collapsed on 1 May 2018.
...
The fire...
One of the main arguments 9-11 truthers use as 'proof' of controlled demolition is the alleged 'fact' that 'fire has never caused a tall building to collapse before or since', often going on to quote more recent incidents such as the Marina Torch and The Address fires in Dubai.
Thankfully build...