On our walk we saw some fantastic things

Can you repeat this sentence, but add in punctuation?
On our walk we saw some fantastic things.
But especially in summer abound on the lakes Rivers and seas not only other sports boats but also cargo ships Swimmers and surfers

Can you repeat this sentence, but add in punctuation?
But especially in summer abound on the lakes, Rivers and seas not only other sports boats, but also cargo ships, Swimmers and surfers.
British original gas mask unused

Can you repeat this sentence, but add in punctuation?
British original gas mask unused.