The correct sentence is option two:
There have been many accidents during airshows; for example, last year the wind toppled a tent and equipment on top of bystanders.
The semicolon is a punctuation mark which indicates a pause, usually between two clauses that are not joined by a coordinating conjunction. Semicolons can also replace commas to separate elements in a list that already includes commas.
In the example sentence, the semicolon separates two clauses. Besides, a comma follows the introductory phrase "for example" because it introduces a clause.
<span>The International Court of Justice (ICJ) is the principal judicial organ of the United Nations. Its role is to adjudicate disputes submitted to it by States in accordance with international law and to give advisory opinions on legal questions referred to it by authorized United Nations organs and specialized agencies.</span>
Please describe more. Without any pictures or “cards” we cannot help you.
