Complex sentence: Chen Pei-Kung is a photojournalist and star photographer from Taiwan and because of his treks all over the world probably the one who traveled to more astronomical observatories and dark-sky sites than anyone else.
Split into simpler sentences: Chen Pei-Kung is a photojournalist and star photographer from Taiwan. Because of his many treks all over the world he is probably the one who traveled to more astronomical observatories and dark-sky sites than anyone else.