Dual Lingual Wordpress Website implementation

We have the site: Upgrade to see actual info which is an Adventure trips shop, functional and everything is working well, we only need to revamp it to have a faster site with modern look and feel.
We have a theme ready to use: Upgrade to see actual info or any other theme the developer may choose.
But we need something with an attractive homepage like: Upgrade to see actual info and Upgrade to see actual info
Beside the searchable gallery, The site will have online payment through WooCommerce, and a nice contact us.