טכנולוגיה עתיקה להגנה מפני רעידות אדמה שמרה עד היום על יציבותן של פירמידות בגובה כ-30 מטר

רקפת תבור | 5 ביוני 2023 | חדשות | 1 דק׳

התרבות המסתורית מלפני כ-5,000 שנה, ששמרה על יציבות המבנים שלה באמצעות סלי אבנים

העיר קאראל (Caral) שבמערב פרו היא מהערים הראשונות שהוקמו באמריקה. העיר שגשגה בתקופה של לפני 4,000-5,000 שנה ובולטים בה שרידיהן של שש פירמידות.

הפירמידות הוקמו בחלקה העליון של העיר והן מקיפות כיכר גדולה. הגדולה מבין הפירמידות היא בגובה של כ-30 מטר.

מכיוון שפרו שוכנת על "טבעת האש", היא סבלה לאורך השנים מרעידות אדמה רבות. כמענה לכך, מצאו תושבי העיר הקדמונים דרך לחזק את המבנים שהקימו. בבסיסן של הפירמידות נמצאו שכבות של אבנים המוקפות בחבלים, דבר היוצר צורות של סלים שכל אחד מהם מכיל מספר אבנים. הסלים קיבלו את השם "Shicra".

רוצה לקרוא עוד?

להמשך קריאה הירשמו או התחברו

מדרגות לאחד ממבני האבן העתיקים בעיר קאראל | צילום:
ERNESTO BENAVIDES/AFP via Getty Images

מדרגות לאחד ממבני האבן העתיקים בעיר קאראל | צילום: ERNESTO BENAVIDES/AFP via Getty Images

נשיא ארה"ב דונלד טראמפ

הבית הלבן מבהיר: שיעור המכס על סין הוא 145% ולא 125%

צוות מגזין אפוק

משטרת ישראל

נחשפה תשתית להעברת כספי טרור מטורקיה לאיו"ש באמצעות אזרחים ישראלים

קרן זריהן

מחבלים בכניסה לרעים, 7 באוקטובר 2023

תחקיר הקרב בקיבוץ רעים – כיתת הכוננות לחמה לבדה במשך שעות ומנעה מסע רצח מסיבי

אורן שלום

שר החוץ האינדונזי סוג'ינו

בעקבות הביקורת – ממשלת אינדונזיה מבהירה כי היא מתנגדת לפינוי תושבי רצועת עזה

דורון פסקין

בכיר חמאס מוסא אבו מרזוק

דיווח: חמאס תובע מממשלת בריטניה לבטל את סיווגו כארגון טרור

דורון פסקין

מטה CIB בטייוואן

דיווח: איומי טרור נגד להקת שן יון הובילו למכון מחקר של Huawei בסין

אורן שלום

הירשמו לניוזלטר שלנו וקבלו תוכן חדש למייל מדי חודש

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