New page design

Hi Kharis,
i want to design a page in my website like this https://www.totemo.com.au/?gclid=Cj0KCQiAm5viBRD4ARIsADGUT25Z4BMNMyWulwNdY85bPYyShqXahhEc-3ES1_ZdfzC6fHG8OtB3QiIaAuX4EALw_wcB

big images blocks how can i achieve this plz guide

regards
fatima