Some structures are so strong that they remain standing hundreds of years after they were built. These structures have even survived wars and natural disasters. What technology was employed to make these structures super strong? Read on to find out. In this ebook, you will also learn about the names and locations of these structures from the olden times. Grab a copy now!
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لغة الإنجليزية ● شكل EPUB ● صفحات 240 ● ISBN 9781541965607 ● الناشر Speedy Publishing LLC ● نشرت 2019 ● للتحميل 3 مرات ● دقة EUR ● هوية شخصية 9968978 ● حماية النسخ Adobe DRM
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