Duolingo Writing Topic: Many important building structures are being demolished or replaced.

Q. Many important building structures are being demolished or replaced. What are the reasons for this?

Ans: The world around us is rapidly evolving, where the old and important often get replaced by new and modern things. One of the most common examples is where important architectural structures are being demolished and replaced in this dynamic urban setting. There are various reasons behind it, which will be discussed in further paragraphs.

The primary reason for demolishing important infrastructures is safety issues. As it is a well-known fact that the ideal lifespan of a concrete structure is nearly 75 to 100 years, which is far less when it comes to houses or apartments. This has been decided for safety purposes, as after some years, it is necessary to replace it otherwise it may become prey to natural calamities. This can be easily understood by an incident that happened in New York, in 2019, where a hotel collapsed in seconds following a gradual deformation and weakening of the columns. When the first column failed, the rest quickly did as well. There was a violation of the safety regulations. This took the lives of several people. So it is necessary to replace such buildings on time that can cost us lives.

In conclusion, it is the responsibility of authorities all over the world to ensure that people’s lives are safe from such buildings which can take the lives of individuals, and these must be either flattened or substituted by new ones.

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